diff --git a/.github/workflows/master_build.yml b/.github/workflows/master_build.yml
index 52ea6fc8a9..67957767d0 100644
--- a/.github/workflows/master_build.yml
+++ b/.github/workflows/master_build.yml
@@ -158,10 +158,12 @@ jobs:
           echo "  done"
         fi
 
-    - name: Override NSIS
+    - name: Override Windows package versions
       shell: pwsh
       if: startsWith(matrix.os, 'windows')
-      run: choco install nsis --allow-downgrade --version=3.06.1
+      run: |
+        choco install nsis --allow-downgrade --version=3.06.1
+        choco install cmake --allow-downgrade --version=3.31.6  # Our dependencies don't support CMake 4.0 yet.
 
     - name: Install Python modules
       if: startsWith(matrix.os, 'windows') || startsWith(matrix.os, 'macOS')
diff --git a/.github/workflows/pr_build.yml b/.github/workflows/pr_build.yml
index 1494389521..368d7100f2 100644
--- a/.github/workflows/pr_build.yml
+++ b/.github/workflows/pr_build.yml
@@ -213,10 +213,12 @@ jobs:
         fi
 
 
-    - name: Override NSIS
+    - name: Override Windows package versions
       shell: pwsh
       if: startsWith(matrix.os, 'Windows')
-      run: choco install nsis --allow-downgrade --version=3.06.1
+      run: |
+        choco install nsis --allow-downgrade --version=3.06.1
+        choco install cmake --allow-downgrade --version=3.31.6  # Our dependencies don't support CMake 4.0 yet.
 
     - name: Install Python modules
       if: startsWith(matrix.os, 'Windows') || startsWith(matrix.os, 'macOS')
diff --git a/.github/workflows/release_build.yml b/.github/workflows/release_build.yml
index b72075017c..f43c6abe0e 100644
--- a/.github/workflows/release_build.yml
+++ b/.github/workflows/release_build.yml
@@ -83,10 +83,12 @@ jobs:
         submodules: false
         fetch-depth: 1
 
-    - name: Override NSIS
+    - name: Override Windows package versions
       shell: pwsh
       if: startsWith(matrix.os, 'windows')
-      run: choco install nsis --allow-downgrade --version=3.06.1
+      run: |
+        choco install nsis --allow-downgrade --version=3.06.1
+        choco install cmake --allow-downgrade --version=3.31.6  # Our dependencies don't support CMake 4.0 yet.
 
     - name: Install Python modules
       if: startsWith(matrix.os, 'windows') || startsWith(matrix.os, 'macOS')