diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index cfa8ad60..d81f5e34 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -137,7 +137,7 @@ jobs:
           - os: macos-11
             compiler: {cxx: clang++-10, cc: clang-10, macos_cxx: /usr/local/opt/llvm@10/bin/clang++, macos_cc: /usr/local/opt/llvm@10/bin/clang, apt_package: clang-10, homebrew_package: llvm@10}
           - os: macos-11
-            compiler: {cxx: clang++-11, cc: clang-11, macos_cxx: /usr/local/opt/llvm@11/bin/clang++, macos_cc: /usr/local/opt/llvm@11/bin/clang, apt_package: clang-11, homebrew_package: llvm@11}
+            compiler: {cxx: clang++-11, cc: clang-11, macos_cxx: /usr/local/opt/llvm@11/bin/clang++, macos_cc: /usr/local/opt/llvm@11/bin/clang, apt_package: "clang-11 libomp5-11 libomp-11-dev", homebrew_package: llvm@11}
           - os: macos-11
             compiler: {cxx: g++-7, cc: gcc-7, macos_cxx: g++-7, macos_cc: gcc-7, homebrew_package: gcc@7, apt_package: g++-7}
           - os: macos-11
@@ -151,7 +151,7 @@ jobs:
           - os: macos-12
             compiler: {cxx: clang++-10, cc: clang-10, macos_cxx: /usr/local/opt/llvm@10/bin/clang++, macos_cc: /usr/local/opt/llvm@10/bin/clang, apt_package: clang-10, homebrew_package: llvm@10}
           - os: macos-12
-            compiler: {cxx: clang++-11, cc: clang-11, macos_cxx: /usr/local/opt/llvm@11/bin/clang++, macos_cc: /usr/local/opt/llvm@11/bin/clang, apt_package: clang-11, homebrew_package: llvm@11}
+            compiler: {cxx: clang++-11, cc: clang-11, macos_cxx: /usr/local/opt/llvm@11/bin/clang++, macos_cc: /usr/local/opt/llvm@11/bin/clang, apt_package: "clang-11 libomp5-11 libomp-11-dev", homebrew_package: llvm@11}
           - os: macos-12
             compiler: {cxx: g++-7, cc: gcc-7, macos_cxx: g++-7, macos_cc: gcc-7, homebrew_package: gcc@7, apt_package: g++-7}
           - os: macos-12
@@ -165,7 +165,7 @@ jobs:
           - os: macos-13
             compiler: {cxx: clang++-10, cc: clang-10, macos_cxx: /usr/local/opt/llvm@10/bin/clang++, macos_cc: /usr/local/opt/llvm@10/bin/clang, apt_package: clang-10, homebrew_package: llvm@10}
           - os: macos-13
-            compiler: {cxx: clang++-11, cc: clang-11, macos_cxx: /usr/local/opt/llvm@11/bin/clang++, macos_cc: /usr/local/opt/llvm@11/bin/clang, apt_package: clang-11, homebrew_package: llvm@11}
+            compiler: {cxx: clang++-11, cc: clang-11, macos_cxx: /usr/local/opt/llvm@11/bin/clang++, macos_cc: /usr/local/opt/llvm@11/bin/clang, apt_package: "clang-11 libomp5-11 libomp-11-dev", homebrew_package: llvm@11}
           # Ubuntu 20.04 doesn't have GCC 12, 13 yet
           - os: ubuntu-20.04
             compiler: {cxx: g++-12, cc: gcc-12, macos_cxx: g++-12, macos_cc: gcc-12, homebrew_package: gcc@12, apt_package: g++-12}