diff --git a/Cargo.lock b/Cargo.lock
index ff099da..7ad7697 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,12 +17,6 @@ version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "940b3a0ca603d1eade50a4846a2afffd5ef57a9feac2c0e2ec2e14f9ead76000"
 
-[[package]]
-name = "anyhow"
-version = "1.0.102"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"
-
 [[package]]
 name = "assert_cmd"
 version = "2.2.2"
@@ -60,19 +54,19 @@ checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"
 
 [[package]]
 name = "bitflags"
-version = "2.11.1"
+version = "2.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4512299f36f043ab09a583e57bceb5a5aab7a73db1805848e8fef3c9e8c78b3"
+checksum = "b4388bee8683e3d04af747c73422af53102d2bd24d9eadb6cbc100baef4b43f8"
 
 [[package]]
 name = "bstr"
-version = "1.12.1"
+version = "1.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "63044e1ae8e69f3b5a92c736ca6269b8d12fa7efe39bf34ddb06d102cf0e2cab"
+checksum = "5cee35f73844aa3014bb606320a6c1f010249dbdf43342fe54b5a4f6a8ed4b79"
 dependencies = [
  "memchr",
  "regex-automata",
- "serde",
+ "serde_core",
 ]
 
 [[package]]
@@ -276,15 +270,13 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0de51e6874e94e7bf76d726fc5d13ba782deca734ff60d5bb2fb2607c7406555"
+checksum = "300e883d756b2e4ec94e02791f39b04b522276138852cfc41d9fb7e904106099"
 dependencies = [
  "cfg-if",
  "libc",
  "r-efi",
- "wasip2",
- "wasip3",
 ]
 
 [[package]]
@@ -326,23 +318,11 @@ version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
 
-[[package]]
-name = "heck"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
-
-[[package]]
-name = "id-arena"
-version = "2.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
-
 [[package]]
 name = "ignore"
-version = "0.4.25"
+version = "0.4.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3d782a365a015e0f5c04902246139249abf769125006fbe7649e2ee88169b4a"
+checksum = "b915661dd01db3f05050265b2477bcc6527b3792388e2749b41623cc592be67d"
 dependencies = [
  "crossbeam-deque",
  "globset",
@@ -368,9 +348,9 @@ dependencies = [
 
 [[package]]
 name = "insta"
-version = "1.47.2"
+version = "1.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b4a6248eb93a4401ed2f37dfe8ea592d3cf05b7cf4f8efa867b6895af7e094e"
+checksum = "86f0f8fee8c926415c58d6ae43a08523a26faccb2323f5e6b644fe7dd4ef6b82"
 dependencies = [
  "console",
  "once_cell",
@@ -433,12 +413,6 @@ version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4933f3f57a8e9d9da04db23fb153356ecaf00cbd14aee46279c33dc80925c37"
 
-[[package]]
-name = "leb128fmt"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
-
 [[package]]
 name = "libc"
 version = "0.2.186"
@@ -462,15 +436,15 @@ checksum = "32a66949e030da00e8c7d4434b251670a91556f4144941d37452769c25d58a53"
 
 [[package]]
 name = "log"
-version = "0.4.30"
+version = "0.4.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "616ec5685824bcc94416c6d4a7a446eea774a31efd7062c8480ba6fd06d7a6e5"
+checksum = "0ceec5bc11778974d1bcb055b18002eba7f4b3518b6a0081b3af5f21666da9ad"
 
 [[package]]
 name = "memchr"
-version = "2.8.1"
+version = "2.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b947ae49db0d222b1dbc6b113ce7248a3fc3a6ca21b696717bfc000ba4484d8"
+checksum = "88904434abc2901f197fe8cc55f0445e7ded921dba5911dad2e2b39b48e663c4"
 
 [[package]]
 name = "miette"
@@ -682,16 +656,6 @@ dependencies = [
  "yansi",
 ]
 
-[[package]]
-name = "prettyplease"
-version = "0.2.37"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
-dependencies = [
- "proc-macro2",
- "syn",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.106"
@@ -703,9 +667,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.45"
+version = "1.0.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
+checksum = "dfbc457d0c7a0759a614551b11a6409e5951f6c7537be1f1b7682b9ae9230368"
 dependencies = [
  "proc-macro2",
 ]
@@ -747,11 +711,23 @@ dependencies = [
  "thiserror 2.0.18",
 ]
 
+[[package]]
+name = "reflink-copy"
+version = "0.1.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9dd7ab4af0363d5ccfd2838d782a28196cf32a5cc2e4fe3c5dc83f2be588b8b"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "rustix",
+ "windows",
+]
+
 [[package]]
 name = "regex"
-version = "1.12.3"
+version = "1.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276"
+checksum = "f1292b7759ae1cb9ec195452d1390a074f0cd8541ab7a5a8c31cd6db45d4a6ba"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -772,9 +748,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.8.10"
+version = "0.8.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
+checksum = "d6f6ff9a378485b298a5286656da665ba74413d36db0979633275d2e708145d4"
 
 [[package]]
 name = "relative-path"
@@ -894,9 +870,9 @@ checksum = "bbbb5d9659141646ae647b42fe094daf6c6192d1620870b449d9557f748b2daa"
 
 [[package]]
 name = "starbase_sandbox"
-version = "0.11.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57b2695cf7880f3005dc73b8787534258fb3645eb8cb3e14bf37d94019dbe0d4"
+checksum = "a52a223bc675989a16257e3cc30fd160ba1ac6871596009782758adca038208c"
 dependencies = [
  "assert_cmd",
  "assert_fs",
@@ -908,9 +884,9 @@ dependencies = [
 
 [[package]]
 name = "starbase_styles"
-version = "0.6.7"
+version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67078591b8bea68aa42e19c61b4a40978e8e3787155012c2aa26331efe07f5e0"
+checksum = "45e6c5ef246f94a8511751dadcbf05ecfad5be5497ad0fd37e42fd2d70b0522e"
 dependencies = [
  "dirs",
  "owo-colors",
@@ -919,14 +895,15 @@ dependencies = [
 
 [[package]]
 name = "starbase_utils"
-version = "0.13.6"
+version = "0.13.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76547a148dbdc909e97afe5cdb6d0e19ece9f9115ea3d6a3bdf8f179f2f73d2e"
+checksum = "6f8804a32cd7c654c3321022fc1b05314d7d2fbf6781f8d19d6e4c97488cffd8"
 dependencies = [
  "dirs",
  "json-strip-comments",
  "jwalk",
  "miette",
+ "reflink-copy",
  "serde",
  "serde_json",
  "serde_norway",
@@ -947,9 +924,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.117"
+version = "2.0.118"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
+checksum = "1b9ae57f904213ebb649ce6895b8a66c66f0203b9319718f69a5612a065b1422"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -963,7 +940,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
 dependencies = [
  "fastrand",
- "getrandom 0.4.2",
+ "getrandom 0.4.3",
  "once_cell",
  "rustix",
  "windows-sys",
@@ -1121,188 +1098,146 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
 
 [[package]]
-name = "wasip2"
-version = "1.0.3+wasi-0.2.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20064672db26d7cdc89c7798c48a0fdfac8213434a1186e5ef29fd560ae223d6"
-dependencies = [
- "wit-bindgen 0.57.1",
-]
-
-[[package]]
-name = "wasip3"
-version = "0.4.0+wasi-0.3.0-rc-2026-01-06"
+name = "wax"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5428f8bf88ea5ddc08faddef2ac4a67e390b88186c703ce6dbd955e1c145aca5"
+checksum = "1f8cbf8125142b9b30321ac8721f54c52fbcd6659f76cf863d5e2e38c07a3d7b"
 dependencies = [
- "wit-bindgen 0.51.0",
+ "const_format",
+ "itertools",
+ "nom 7.1.3",
+ "pori",
+ "regex",
+ "thiserror 2.0.18",
+ "walkdir",
 ]
 
 [[package]]
-name = "wasm-encoder"
-version = "0.244.0"
+name = "winapi-util"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319"
+checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "leb128fmt",
- "wasmparser",
+ "windows-sys",
 ]
 
 [[package]]
-name = "wasm-metadata"
-version = "0.244.0"
+name = "windows"
+version = "0.62.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
+checksum = "527fadee13e0c05939a6a05d5bd6eec6cd2e3dbd648b9f8e447c6518133d8580"
 dependencies = [
- "anyhow",
- "indexmap",
- "wasm-encoder",
- "wasmparser",
+ "windows-collections",
+ "windows-core",
+ "windows-future",
+ "windows-numerics",
 ]
 
 [[package]]
-name = "wasmparser"
-version = "0.244.0"
+name = "windows-collections"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
+checksum = "23b2d95af1a8a14a3c7367e1ed4fc9c20e0a26e79551b1454d72583c97cc6610"
 dependencies = [
- "bitflags",
- "hashbrown 0.15.5",
- "indexmap",
- "semver",
+ "windows-core",
 ]
 
 [[package]]
-name = "wax"
-version = "0.7.0"
+name = "windows-core"
+version = "0.62.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f8cbf8125142b9b30321ac8721f54c52fbcd6659f76cf863d5e2e38c07a3d7b"
+checksum = "b8e83a14d34d0623b51dce9581199302a221863196a1dde71a7663a4c2be9deb"
 dependencies = [
- "const_format",
- "itertools",
- "nom 7.1.3",
- "pori",
- "regex",
- "thiserror 2.0.18",
- "walkdir",
+ "windows-implement",
+ "windows-interface",
+ "windows-link",
+ "windows-result",
+ "windows-strings",
 ]
 
 [[package]]
-name = "winapi-util"
-version = "0.1.11"
+name = "windows-future"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
+checksum = "e1d6f90251fe18a279739e78025bd6ddc52a7e22f921070ccdc67dde84c605cb"
 dependencies = [
- "windows-sys",
+ "windows-core",
+ "windows-link",
+ "windows-threading",
 ]
 
 [[package]]
-name = "windows-link"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
-
-[[package]]
-name = "windows-sys"
-version = "0.61.2"
+name = "windows-implement"
+version = "0.60.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
 dependencies = [
- "windows-link",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
-name = "wit-bindgen"
-version = "0.51.0"
+name = "windows-interface"
+version = "0.59.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
+checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
 dependencies = [
- "wit-bindgen-rust-macro",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
-name = "wit-bindgen"
-version = "0.57.1"
+name = "windows-link"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ebf944e87a7c253233ad6766e082e3cd714b5d03812acc24c318f549614536e"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
 
 [[package]]
-name = "wit-bindgen-core"
-version = "0.51.0"
+name = "windows-numerics"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc"
+checksum = "6e2e40844ac143cdb44aead537bbf727de9b044e107a0f1220392177d15b0f26"
 dependencies = [
- "anyhow",
- "heck",
- "wit-parser",
+ "windows-core",
+ "windows-link",
 ]
 
 [[package]]
-name = "wit-bindgen-rust"
-version = "0.51.0"
+name = "windows-result"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
+checksum = "7781fa89eaf60850ac3d2da7af8e5242a5ea78d1a11c49bf2910bb5a73853eb5"
 dependencies = [
- "anyhow",
- "heck",
- "indexmap",
- "prettyplease",
- "syn",
- "wasm-metadata",
- "wit-bindgen-core",
- "wit-component",
+ "windows-link",
 ]
 
 [[package]]
-name = "wit-bindgen-rust-macro"
-version = "0.51.0"
+name = "windows-strings"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0f9bfd77e6a48eccf51359e3ae77140a7f50b1e2ebfe62422d8afdaffab17a"
+checksum = "7837d08f69c77cf6b07689544538e017c1bfcf57e34b4c0ff58e6c2cd3b37091"
 dependencies = [
- "anyhow",
- "prettyplease",
- "proc-macro2",
- "quote",
- "syn",
- "wit-bindgen-core",
- "wit-bindgen-rust",
+ "windows-link",
 ]
 
 [[package]]
-name = "wit-component"
-version = "0.244.0"
+name = "windows-sys"
+version = "0.61.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
 dependencies = [
- "anyhow",
- "bitflags",
- "indexmap",
- "log",
- "serde",
- "serde_derive",
- "serde_json",
- "wasm-encoder",
- "wasm-metadata",
- "wasmparser",
- "wit-parser",
+ "windows-link",
 ]
 
 [[package]]
-name = "wit-parser"
-version = "0.244.0"
+name = "windows-threading"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
+checksum = "3949bd5b99cafdf1c7ca86b43ca564028dfe27d66958f2470940f73d86d75b37"
 dependencies = [
- "anyhow",
- "id-arena",
- "indexmap",
- "log",
- "semver",
- "serde",
- "serde_derive",
- "serde_json",
- "unicode-xid",
- "wasmparser",
+ "windows-link",
 ]
 
 [[package]]
diff --git a/crates/package-json/src/protocols/version.rs b/crates/package-json/src/protocols/version.rs
index 9ab5fdc..21c430e 100644
--- a/crates/package-json/src/protocols/version.rs
+++ b/crates/package-json/src/protocols/version.rs
@@ -17,6 +17,8 @@ static GITHUB: LazyLock<Regex> = LazyLock::new(|| {
     .unwrap()
 });
 
+static WS_OPERATOR: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"(?<op>[<>=\^~]+)\s+").unwrap());
+
 // https://docs.npmjs.com/cli/v7/configuring-npm/package-json#dependencies
 fn clean_version(version: &str) -> String {
     let mut value = version
@@ -26,6 +28,8 @@ fn clean_version(version: &str) -> String {
         .replace(".X", "")
         .replace("-*", "");
 
+    value = WS_OPERATOR.replace_all(&value, "$op").to_string();
+
     if value.contains(" ") && !value.contains(",") {
         value = value.replace(" ", ", ");
     }
diff --git a/crates/package-json/tests/version_protocol_test.rs b/crates/package-json/tests/version_protocol_test.rs
index 8ded34b..f5c956c 100644
--- a/crates/package-json/tests/version_protocol_test.rs
+++ b/crates/package-json/tests/version_protocol_test.rs
@@ -166,6 +166,24 @@ fn version() {
     assert_eq!(exp.to_string(), "~1");
 }
 
+#[test]
+fn version_spacing() {
+    let exp = VersionProtocol::Requirement(VersionReq::parse("^1.2.3").unwrap());
+
+    assert_eq!(VersionProtocol::from_str("^ 1.2.3").unwrap(), exp);
+    assert_eq!(exp.to_string(), "^1.2.3");
+
+    let exp = VersionProtocol::Requirement(VersionReq::parse("~1.2").unwrap());
+
+    assert_eq!(VersionProtocol::from_str("~  1.2").unwrap(), exp);
+    assert_eq!(exp.to_string(), "~1.2");
+
+    let exp = VersionProtocol::Requirement(VersionReq::parse("~1").unwrap());
+
+    assert_eq!(VersionProtocol::from_str("   1").unwrap(), exp);
+    assert_eq!(exp.to_string(), "~1");
+}
+
 #[test]
 fn version_meta() {
     let exp = VersionProtocol::Version(Version::parse("7.0.0-dev.20250828.1").unwrap());
@@ -187,6 +205,16 @@ fn version_build() {
 
 #[test]
 fn range() {
+    let exp = VersionProtocol::Requirement(VersionReq::parse(">1.2.3").unwrap());
+
+    assert_eq!(VersionProtocol::from_str(">1.2.3").unwrap(), exp);
+    assert_eq!(exp.to_string(), ">1.2.3");
+
+    let exp = VersionProtocol::Requirement(VersionReq::parse("<=4.5.6").unwrap());
+
+    assert_eq!(VersionProtocol::from_str("<=4.5.6").unwrap(), exp);
+    assert_eq!(exp.to_string(), "<=4.5.6");
+
     let exp = VersionProtocol::Requirement(VersionReq::parse(">=1.2.3, <=4.5.6").unwrap());
 
     assert_eq!(VersionProtocol::from_str("1.2.3 - 4.5.6").unwrap(), exp);
@@ -198,6 +226,32 @@ fn range() {
     assert_eq!(exp.to_string(), ">=4.8.4, <6.0.0");
 }
 
+#[test]
+fn range_spacing() {
+    let exp = VersionProtocol::Requirement(VersionReq::parse(">1.2.3").unwrap());
+
+    assert_eq!(VersionProtocol::from_str("> 1.2.3").unwrap(), exp);
+    assert_eq!(exp.to_string(), ">1.2.3");
+
+    let exp = VersionProtocol::Requirement(VersionReq::parse("<=4.5.6").unwrap());
+
+    assert_eq!(VersionProtocol::from_str("<=  4.5.6").unwrap(), exp);
+    assert_eq!(exp.to_string(), "<=4.5.6");
+
+    let exp = VersionProtocol::Requirement(VersionReq::parse(">=1.2.3, <=4.5.6").unwrap());
+
+    assert_eq!(VersionProtocol::from_str("1.2.3 - 4.5.6").unwrap(), exp);
+    assert_eq!(exp.to_string(), ">=1.2.3, <=4.5.6");
+
+    let exp = VersionProtocol::Requirement(VersionReq::parse(">=4.8.4, <6.0.0").unwrap());
+
+    assert_eq!(
+        VersionProtocol::from_str(">=   4.8.4 <  6.0.0").unwrap(),
+        exp
+    );
+    assert_eq!(exp.to_string(), ">=4.8.4, <6.0.0");
+}
+
 #[test]
 fn catalog() {
     let exp = VersionProtocol::Catalog(Some("name".into()));