diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c0b740e..9dcdcf2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -121,7 +121,7 @@ jobs:
             install: clang-14
           - toolset: clang
             cxxstd: "03,11,14,17,2a"
-            os: macos-10.15
+            os: macos-11
 
     runs-on: ${{matrix.os}}
 
@@ -234,7 +234,7 @@ jobs:
           - os: ubuntu-18.04
           - os: ubuntu-20.04
           - os: ubuntu-22.04
-          - os: macos-10.15
+          - os: macos-11
 
     runs-on: ${{matrix.os}}
 
@@ -281,7 +281,7 @@ jobs:
           - os: ubuntu-18.04
           - os: ubuntu-20.04
           - os: ubuntu-22.04
-          - os: macos-10.15
+          - os: macos-11
 
     runs-on: ${{matrix.os}}
 
@@ -338,7 +338,7 @@ jobs:
           - os: ubuntu-18.04
           - os: ubuntu-20.04
           - os: ubuntu-22.04
-          - os: macos-10.15
+          - os: macos-11
 
     runs-on: ${{matrix.os}}