diff --git a/.github/workflows/test_linux.yml b/.github/workflows/test_linux.yml
index a938e35db..fa7f02dde 100644
--- a/.github/workflows/test_linux.yml
+++ b/.github/workflows/test_linux.yml
@@ -37,13 +37,14 @@ jobs:
         build_type: [Release, Debug]
         cc:
           # GNU Compiler
-          - { cc: gcc,   v: 7,  cxx: g++ } # oldest possible
-          - { cc: gcc,   v: 9,  cxx: g++ } # default
-          - { cc: gcc,   v: 10, cxx: g++ } # newest
+          - { cc: gcc,   v: 10, cxx: g++ } # oldest possible
+          - { cc: gcc,   v: 11, cxx: g++ } # default
+          - { cc: gcc,   v: 12, cxx: g++ } # newest
 
           # Clang Compiler
-          - { cc: clang, v: 7,  cxx: clang++ } # oldest possible
-          - { cc: clang, v: 11, cxx: clang++ } # newst possible
+          - { cc: clang, v: 11, cxx: clang++ } # oldest possible
+          - { cc: clang, v: 14, cxx: clang++ } # default
+          - { cc: clang, v: 15, cxx: clang++ } # newst possible
 
     env:
       cc: ${{matrix.cc.cc}}-${{matrix.cc.v}}
diff --git a/.github/workflows/test_mac.yml b/.github/workflows/test_mac.yml
index 32c764e3b..ab632fb45 100644
--- a/.github/workflows/test_mac.yml
+++ b/.github/workflows/test_mac.yml
@@ -39,12 +39,13 @@ jobs:
           # GNU Compiler
           - { cc: gcc,   v: 7,  cxx: g++, xcode: latest }
           - { cc: gcc,   v: 10, cxx: g++, xcode: latest }
+          - { cc: gcc,   v: 12, cxx: g++, xcode: latest }
 
           # Clang Compiler
-          - { cc: clang, cxx: clang++, xcode: 11.7 } # oldest
-          - { cc: clang, cxx: clang++, xcode: 12.4 }
-          - { cc: clang, cxx: clang++, xcode: 13.1 }
-          - { cc: clang, cxx: clang++, xcode: 13.2 } # newest
+          - { cc: clang, cxx: clang++, xcode: 13.1 } # oldest
+          - { cc: clang, cxx: clang++, xcode: 13.4 }
+          - { cc: clang, cxx: clang++, xcode: 14.0 }
+          - { cc: clang, cxx: clang++, xcode: 14.2 } # newest
 
     steps:
     # Git repo set up