diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 07adf86..eea562b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,49 +9,49 @@ jobs:
       matrix:
         config:
         - {
-            name: linux-x64-gcc-7,
-            os: ubuntu-18.04,
-            cxx: g++-7,
+            name: linux-x64-gcc,
+            os: ubuntu-latest,
+            cxx: g++,
             cmake-build-type: Release
           }
         - {
-            name: linux-x64-gcc-7-no-exceptions,
-            os: ubuntu-18.04,
-            cxx: g++-7,
+            name: linux-x64-gcc-no-exceptions,
+            os: ubuntu-latest,
+            cxx: g++,
             cxx-flags: -fno-exceptions,
             cmake-build-type: Release
           }
         - {
-            name: linux-x64-clang-9,
-            os: ubuntu-18.04,
-            cxx: clang++-9,
+            name: linux-x64-clang,
+            os: ubuntu-latest,
+            cxx: clang++,
             cmake-build-type: Release
           }
         - {
             name: macos-x64-gcc,
-            os:  macos-10.15,
+            os:  macos-latest,
             cxx: g++,
             cmake-build-type: Release
           }
         - {
             name: macos-x64-clang,
-            os:  macos-10.15,
+            os:  macos-latest,
             cxx: clang++,
             cmake-build-type: Release
           }
         - {
-            name: linux-x64-clang-12-sanitize,
-            os: ubuntu-20.04,
-            cxx: clang++-12,
+            name: linux-x64-clang-sanitize,
+            os: ubuntu-latest,
+            cxx: clang++,
             cxx-flags: "-fsanitize=address,undefined",
             cmake-build-type: Release
           }
         - {
-            name: linux-x64-gcc-10-coverage,
-            os: ubuntu-20.04,
-            cxx: g++-10,
+            name: linux-x64-gcc-coverage,
+            os: ubuntu-latest,
+            cxx: g++,
             cxx-flags: --coverage,
-            gcov-tool: gcov-10,
+            gcov-tool: gcov,
             cmake-build-type: Debug
           }
         - {
@@ -133,4 +133,4 @@ jobs:
         sudo apt-get install -y lcov
         lcov -c -b ${{github.workspace}}/include -d ${{github.workspace}}/build -o ${{github.workspace}}/coverage.info --no-external --gcov-tool ${{matrix.config.gcov-tool}}
         bash <(curl -s https://codecov.io/bash) -f ${{github.workspace}}/coverage.info
-      if: ${{matrix.config.name == 'linux-x64-gcc-10-coverage'}}
+      if: ${{matrix.config.name == 'linux-x64-gcc-coverage'}}