diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d6427fe..8b4b560 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -377,7 +377,7 @@ jobs:
             cxxstd: "11,14,17,20,2b"
             os: macos-15
 
-    timeout-minutes: 180
+    timeout-minutes: 240
     runs-on: ${{matrix.os}}
     container: ${{matrix.container}}
 
@@ -607,7 +607,7 @@ jobs:
             addrmd: 64
             os: windows-2025
 
-    timeout-minutes: 180
+    timeout-minutes: 240
     runs-on: ${{matrix.os}}
 
     steps: