diff --git a/.github/workflows/build-rust.yml b/.github/workflows/build-rust.yml
index 863f359b..ec9044b3 100644
--- a/.github/workflows/build-rust.yml
+++ b/.github/workflows/build-rust.yml
@@ -17,11 +17,11 @@ jobs:
             rust-target: x86_64-pc-windows-gnu
 
           - artifact-name: Rust Native - macOS x86_64 (CasADi)
-            os: macOS-12
+            os: macOS-13
             rust-target: x86_64-apple-darwin
 
           - artifact-name: Rust Native - macOS arm64 (CasADi)
-            os: macOS-12
+            os: macOS-13
             rust-target: aarch64-apple-darwin
 
           - artifact-name: Rust Native - Linux x86_64 (CasADi)
@@ -47,7 +47,7 @@ jobs:
           targets: ${{matrix.rust-target}}
 
       - name: Set up Clang
-        if: matrix.os != 'macOS-12'
+        if: matrix.os != 'macOS-13'
         uses: egor-tensin/setup-clang@v1
         with:
           version: latest
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 384c5cd6..c56f99d4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,12 +21,12 @@ jobs:
             cmake-config-env-vars: CFLAGS="$CFLAGS -arch x86_64" CXXFLAGS="$CXXFLAGS -arch x86_64"
             cmake-flags: "-DCMAKE_APPLE_SILICON_PROCESSOR=x86_64"
             optimizer: casadi
-            os: macOS-12
+            os: macOS-13
           - artifact-name: Native - macOS arm64 (CasADi)
             cmake-config-env-vars: CFLAGS="$CFLAGS -arch arm64" CXXFLAGS="$CXXFLAGS -arch arm64"
             cmake-flags: "-DCMAKE_APPLE_SILICON_PROCESSOR=arm64"
             optimizer: casadi
-            os: macOS-12
+            os: macOS-13
           - artifact-name: Native - Linux (CasADi)
             cmake-config-env-vars:
             cmake-flags:
@@ -41,7 +41,7 @@ jobs:
             cmake-config-env-vars: CFLAGS="$CFLAGS -arch x86_64 -arch arm64" CXXFLAGS="$CXXFLAGS -arch x86_64 -arch arm64"
             cmake-flags:
             optimizer: sleipnir
-            os: macOS-12
+            os: macOS-13
           - artifact-name: Native - Linux (Sleipnir)
             cmake-config-env-vars:
             cmake-flags: