diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b25ec735..dba3b34e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -50,7 +50,7 @@ jobs:
       with:
         python-version: 3.11
 
-    - uses: actions/cache@v4
+    - uses: actions/cache@v5
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/poetry.lock') }}
diff --git a/.github/workflows/build_with_latest_direct_deps.yml b/.github/workflows/build_with_latest_direct_deps.yml
index 00cf735b..882ea89b 100644
--- a/.github/workflows/build_with_latest_direct_deps.yml
+++ b/.github/workflows/build_with_latest_direct_deps.yml
@@ -52,7 +52,7 @@ jobs:
       with:
         python-version: 3.11
 
-    - uses: actions/cache@v4
+    - uses: actions/cache@v5
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/poetry.lock') }}
diff --git a/.github/workflows/build_with_latest_indirect_deps.yml b/.github/workflows/build_with_latest_indirect_deps.yml
index 21bfa9dd..50b5b000 100644
--- a/.github/workflows/build_with_latest_indirect_deps.yml
+++ b/.github/workflows/build_with_latest_indirect_deps.yml
@@ -50,7 +50,7 @@ jobs:
       with:
         python-version: 3.11
 
-    - uses: actions/cache@v4
+    - uses: actions/cache@v5
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/poetry.lock') }}
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index fec84591..33674260 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -69,7 +69,7 @@ jobs:
     #   ./location_of_script_within_repo/buildscript.sh
     
     - name: Cache pip packages
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/poetry.lock') }}