diff --git a/src/main/java/club/sk1er/patcher/mixins/bugfixes/optifine/CapeUtilsMixin_UseHTTPS.java b/src/main/java/club/sk1er/patcher/mixins/bugfixes/optifine/CapeUtilsMixin_UseHTTPS.java
new file mode 100644
index 00000000..c5568035
--- /dev/null
+++ b/src/main/java/club/sk1er/patcher/mixins/bugfixes/optifine/CapeUtilsMixin_UseHTTPS.java
@@ -0,0 +1,19 @@
+package club.sk1er.patcher.mixins.bugfixes.optifine;
+
+import org.spongepowered.asm.mixin.Dynamic;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Pseudo;
+import org.spongepowered.asm.mixin.injection.Constant;
+import org.spongepowered.asm.mixin.injection.ModifyConstant;
+
+@Pseudo
+@Mixin(targets = "net.optifine.player.CapeUtils", remap = false)
+public class CapeUtilsMixin_UseHTTPS {
+    @Dynamic("OptiFine")
+    @ModifyConstant(
+        method = "downloadCape", constant = @Constant(stringValue = "http://s.optifine.net/capes/")
+    )
+    private String useHTTPS(String url) {
+        return "https://optifine.net/capes/";
+    }
+}
diff --git a/src/main/java/club/sk1er/patcher/mixins/bugfixes/optifine/HttpUtilsMixin_UseHTTPS.java b/src/main/java/club/sk1er/patcher/mixins/bugfixes/optifine/HttpUtilsMixin_UseHTTPS.java
new file mode 100644
index 00000000..d09469ce
--- /dev/null
+++ b/src/main/java/club/sk1er/patcher/mixins/bugfixes/optifine/HttpUtilsMixin_UseHTTPS.java
@@ -0,0 +1,20 @@
+package club.sk1er.patcher.mixins.bugfixes.optifine;
+
+import org.spongepowered.asm.mixin.Dynamic;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Pseudo;
+import org.spongepowered.asm.mixin.injection.Constant;
+import org.spongepowered.asm.mixin.injection.ModifyConstant;
+
+@Pseudo
+@Mixin(targets = "net.optifine.http.HttpUtils", remap = false)
+public class HttpUtilsMixin_UseHTTPS {
+    @Dynamic("OptiFine")
+    @ModifyConstant(
+        method = "downloadCape", constant = @Constant(stringValue = "http://s.optifine.net")
+    )
+    private String useHTTPS(String url) {
+        return "https://optifine.net";
+    }
+}
+
diff --git a/src/main/resources/mixins.patcher.json b/src/main/resources/mixins.patcher.json
index e36ba414..5569a730 100644
--- a/src/main/resources/mixins.patcher.json
+++ b/src/main/resources/mixins.patcher.json
@@ -118,6 +118,8 @@
     "bugfixes.network.ServerAddressMixin_ResolveCrash",
     "bugfixes.network.ServerListMixin_ResolveNpe",
     "bugfixes.network.packet.EntityPacketsMixin_ResolveNpe",
+    "bugfixes.optifine.CapeUtilsMixin_UseHTTPS",
+    "bugfixes.optifine.HttpUtilsMixin_UseHTTPS",
     "bugfixes.optifine.RegionRenderCacheMixin_FixConnectedTextures",
     "bugfixes.optifine.RenderGlobalMixin_FixSkyVBOs",
     "bugfixes.render.entity.RenderArrowMixin_AlphaFix",