diff --git a/.github/workflows/bsd.yml b/.github/workflows/bsd.yml
index 4449a879c3c..21fc027ab72 100644
--- a/.github/workflows/bsd.yml
+++ b/.github/workflows/bsd.yml
@@ -48,7 +48,6 @@ jobs:
         if: ${{ matrix.vm_os == 'freebsd' }}
         env:
           BUILD_TYPE: ${{ matrix.build_type }}
-          CMAKE_POLICY_VERSION_MINIMUM: 3.5
           # GLBINDING: ${{ matrix.glbinding }} # TODO: Re-add if available
         uses: vmactions/freebsd-vm@v0.1.4
         with:
@@ -80,4 +79,4 @@ jobs:
                                             # TODO: Uncomment whenever possible
             make -j3 VERBOSE=1
             make install DESTDIR="/tmp/supertux" VERBOSE=1
-            ./test_supertux2
\ No newline at end of file
+            ./test_supertux2
diff --git a/.github/workflows/gnulinux.yml b/.github/workflows/gnulinux.yml
index 3520add459f..5be72a1feba 100644
--- a/.github/workflows/gnulinux.yml
+++ b/.github/workflows/gnulinux.yml
@@ -155,7 +155,6 @@ jobs:
           # FIXME: GoogleTest isn't detected by CMake on Ubuntu 18.04
           # (also check the step that invokes the tests with ./test_supertux2)
           TESTS: ${{ matrix.os == 'ubuntu-22.04' }}
-          CMAKE_POLICY_VERSION_MINIMUM: 3.5
         run: |
           cmake --version
           $CXX --version
@@ -169,8 +168,6 @@ jobs:
 
       - name: Build and install
         working-directory: build
-        env:
-          CMAKE_POLICY_VERSION_MINIMUM: 3.5
         run: |
           make -j3 VERBOSE=1
           make install DESTDIR="/tmp/supertux" VERBOSE=1
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 87fa50a13e1..4eb70b1ea90 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -84,7 +84,6 @@ jobs:
         env:
           BUILD_TYPE: ${{ matrix.build_type }}
           GLBINDING: ${{ matrix.glbinding }}
-          CMAKE_POLICY_VERSION_MINIMUM: 3.5
         run: |
           cmake --version
           $CXX --version
@@ -101,8 +100,6 @@ jobs:
                    -DINSTALL_SUBDIR_SHARE=share/supertux2
 
       - name: Build and install
-        env:
-          CMAKE_POLICY_VERSION_MINIMUM: 3.5
         working-directory: build
         run: |
           make -j3 VERBOSE=1
diff --git a/.github/workflows/scripting.yml b/.github/workflows/scripting.yml
index d8cccac02dd..8ee3816dfab 100644
--- a/.github/workflows/scripting.yml
+++ b/.github/workflows/scripting.yml
@@ -57,7 +57,7 @@ jobs:
           cmake --version
           mkdir build
           cd build
-          cmake .. -DBUILD_DOCUMENTATION_WITH_SCRIPTING=ON -DCMAKE_POLICY_VERSION_MINIMUM=3.5
+          cmake .. -DBUILD_DOCUMENTATION_WITH_SCRIPTING=ON
           make
 
       - name: Generate scripting reference
diff --git a/.github/workflows/wasm.yml b/.github/workflows/wasm.yml
index 71e533eecb7..5f51cce5aab 100644
--- a/.github/workflows/wasm.yml
+++ b/.github/workflows/wasm.yml
@@ -58,7 +58,7 @@ jobs:
           mkdir build
           cd build
           # TODO: Re-add -DWERROR=ON when warnings will be fixed
-          emcmake cmake -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DWARNINGS=ON -DCMAKE_POLICY_VERSION_MINIMUM=3.5 ..
+          emcmake cmake -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DWARNINGS=ON ..
 
       - name: Sync data folder
         working-directory: build
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 4225280e70e..d8c3afa2982 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -84,7 +84,6 @@ jobs:
           ARCH: ${{ matrix.arch }}
           BUILD_TYPE: ${{ matrix.build_type }}
           GLBINDING: ${{ matrix.glbinding }}
-          CMAKE_POLICY_VERSION_MINIMUM: 3.5
         run: |
           cmake --version
           mkdir build
@@ -95,7 +94,6 @@ jobs:
         working-directory: build
         env:
           BUILD_TYPE: ${{ matrix.build_type }}
-          CMAKE_POLICY_VERSION_MINIMUM: 3.5
         run: |
           cmake --build . --config $Env:BUILD_TYPE
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac11a34ac72..269a7d1c088 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@
 #   make
 #
 
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.5)
 
 ## Project name to use as command prefix.
 
diff --git a/tools/scripting_docs_gen/CMakeLists.txt b/tools/scripting_docs_gen/CMakeLists.txt
index 246010eafb7..7025ca6e13c 100644
--- a/tools/scripting_docs_gen/CMakeLists.txt
+++ b/tools/scripting_docs_gen/CMakeLists.txt
@@ -14,7 +14,7 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.5)
 
 project(ScriptingDocsGen)
 set(CMAKE_CXX_STANDARD 17)