diff --git a/.github/workflows/bake.yml b/.github/workflows/bake.yml
index 5dc94a9..f9d7f79 100644
--- a/.github/workflows/bake.yml
+++ b/.github/workflows/bake.yml
@@ -171,7 +171,7 @@ env:
     --prefer-offline
     --fund=false
     --audit=false
-  COSIGN_VERSION: "v3.0.6"
+  COSIGN_VERSION: "v3.1.1"
   LOCAL_EXPORT_DIR: "/tmp/buildx-output"
   MATRIX_SIZE_LIMIT: "20"
   BUILDX_METADATA_PROVENANCE: "false"
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 485d63d..7dc9e14 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -174,7 +174,7 @@ env:
     --prefer-offline
     --fund=false
     --audit=false
-  COSIGN_VERSION: "v3.0.6"
+  COSIGN_VERSION: "v3.1.1"
   LOCAL_EXPORT_DIR: "/tmp/buildx-output"
   MATRIX_SIZE_LIMIT: "20"
   BUILDX_METADATA_PROVENANCE: "false"