diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1acb88e17..4fef09580 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### Bug fixes
 
 - instance create: apply delete protection in the instance's zone, fixing a wrong-zone "Not Found" error when creating protected instances outside the default zone (#879)
+- sks cluster update: fix oidc config drop (#881)
 
 ### Improvements⏎
 
diff --git a/cmd/compute/sks/sks_update.go b/cmd/compute/sks/sks_update.go
index 5d110b090..ca2c941ab 100644
--- a/cmd/compute/sks/sks_update.go
+++ b/cmd/compute/sks/sks_update.go
@@ -79,7 +79,9 @@ func (c *sksUpdateCmd) CmdRun(cmd *cobra.Command, _ []string) error {
 		return err
 	}
 
-	updateReq := v3.UpdateSKSClusterRequest{}
+	updateReq := v3.UpdateSKSClusterRequest{
+		Oidc: cluster.Oidc,
+	}
 
 	if cmd.Flags().Changed(exocmd.MustCLICommandFlagName(c, &c.AutoUpgrade)) {
 		updateReq.AutoUpgrade = &c.AutoUpgrade