diff --git a/test/TestTiming.cpp b/test/TestTiming.cpp
index c346045..b4fa3fe 100644
--- a/test/TestTiming.cpp
+++ b/test/TestTiming.cpp
@@ -119,8 +119,8 @@ namespace ra { namespace timing { namespace test
 #elif defined(__APPLE__)
     double epsilon = 15.0;
     if (ra::testing::IsGitHubActions()) {
-      // On Github Action, the observed delays seems to be increased by about 60ms for GetMicrosecondsTimer()
-      epsilon = 70.0;
+      // On Github Action, the observed delays seems to be increased up to 130ms for GetMicrosecondsTimer()
+      epsilon = 130.0;
     }
 #else
     double epsilon = 1.0;
@@ -163,8 +163,8 @@ namespace ra { namespace timing { namespace test
 #elif defined(__APPLE__)
     double epsilon = 15.0;
     if (ra::testing::IsGitHubActions()) {
-      // On Github Action, the observed delays seems to be increased by about 90ms for GetMillisecondsTimer()
-      epsilon = 100.0;
+      // On Github Action, the observed delays seems to be increased by about 130ms for GetMillisecondsTimer()
+      epsilon = 130.0;
     }
 #else
     double epsilon = 1.0;