diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a4baad4..845f0b8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
         with:
           fetch-depth: 0
           submodules: true
-      - uses: coursier/cache-action@v6.3
+      - uses: coursier/cache-action@v6.4
       - uses: coursier/setup-action@v1.2.1
         with:
           jvm: 8
@@ -48,7 +48,7 @@ jobs:
         with:
           submodules: true
           fetch-depth: 0
-      - uses: coursier/cache-action@v6.3
+      - uses: coursier/cache-action@v6.4
       - uses: coursier/setup-action@v1.2.1
         with:
           jvm: 8
@@ -66,7 +66,7 @@ jobs:
         with:
           submodules: true
           fetch-depth: 0
-      - uses: coursier/cache-action@v6.3
+      - uses: coursier/cache-action@v6.4
       - uses: coursier/setup-action@v1.2.1
         with:
           jvm: 8
@@ -91,7 +91,7 @@ jobs:
       with:
         submodules: true
         fetch-depth: 0
-    - uses: coursier/cache-action@v6.3
+    - uses: coursier/cache-action@v6.4
     - uses: coursier/setup-action@v1.2.1
       with:
         jvm: 8