diff --git a/.github/workflows/Code_Coverage.yml b/.github/workflows/Code_Coverage.yml
index 9ae4cece..46340faf 100644
--- a/.github/workflows/Code_Coverage.yml
+++ b/.github/workflows/Code_Coverage.yml
@@ -47,7 +47,7 @@ jobs:
             gcc-14 g++-14 lcov gcovr ninja-build
 
       - name: Install Ninja
-        uses: seanmiddleditch/gha-setup-ninja@v5
+        uses: seanmiddleditch/gha-setup-ninja@v6
 
       # ── CPM cache ─────────────────────────────────────────────────────
       - name: Cache CPM packages
diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 586af6a5..de69dd62 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -416,7 +416,7 @@ jobs:
 
       # ── Ninja (all platforms) ─────────────────────────────────────────
       - name: Install Ninja
-        uses: seanmiddleditch/gha-setup-ninja@v5
+        uses: seanmiddleditch/gha-setup-ninja@v6
 
       # ── ccache ────────────────────────────────────────────────────────
       - name: Set up ccache
diff --git a/.github/workflows/sanitizers.yml b/.github/workflows/sanitizers.yml
index fc49f043..b4e4e5d7 100644
--- a/.github/workflows/sanitizers.yml
+++ b/.github/workflows/sanitizers.yml
@@ -150,7 +150,7 @@ jobs:
             ${{ matrix.compiler }} ${{ matrix.cxx }}
 
       - name: Install Ninja
-        uses: seanmiddleditch/gha-setup-ninja@v5
+        uses: seanmiddleditch/gha-setup-ninja@v6
 
       # ── CPM cache ─────────────────────────────────────────────────────
       - name: Cache CPM packages
diff --git a/.github/workflows/static_analysis.yml b/.github/workflows/static_analysis.yml
index 645142c0..07e64470 100644
--- a/.github/workflows/static_analysis.yml
+++ b/.github/workflows/static_analysis.yml
@@ -45,7 +45,7 @@ jobs:
             /usr/bin/clang-tidy clang-tidy /usr/bin/clang-tidy-18 100
 
       - name: Install Ninja
-        uses: seanmiddleditch/gha-setup-ninja@v5
+        uses: seanmiddleditch/gha-setup-ninja@v6
 
       - name: Cache CPM packages
         uses: actions/cache@v5