diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 256f7088..4455dfeb 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -43,7 +43,7 @@ jobs:
       solution: $(BuildType)/libmimalloc.sln
       configuration: '$(MSBuildConfiguration)'
       msbuildArguments: -m
-  - script: ctest --verbose --timeout 240 -C $(MSBuildConfiguration)
+  - script: ctest --verbose --timeout 180 -C $(MSBuildConfiguration)
     workingDirectory: $(BuildType)
     displayName: CTest
   #- script: $(BuildType)\$(BuildType)\mimalloc-test-stress
@@ -126,7 +126,7 @@ jobs:
       cmakeArgs: .. $(cmakeExtraArgs)
   - script: make -j$(nproc) -C $(BuildType)
     displayName: Make
-  - script: ctest --verbose --timeout 240
+  - script: ctest --verbose --timeout 180
     workingDirectory: $(BuildType)
     displayName: CTest
     env: 
@@ -157,7 +157,7 @@ jobs:
       cmakeArgs: .. $(cmakeExtraArgs)
   - script: make -j$(sysctl -n hw.ncpu) -C $(BuildType)
     displayName: Make
-  - script: ctest --verbose --timeout 240
+  - script: ctest --verbose --timeout 180
     workingDirectory: $(BuildType)
     displayName: CTest
 #  - upload: $(Build.SourcesDirectory)/$(BuildType)
@@ -193,5 +193,5 @@ jobs:
 #       configuration: '$(MSBuildConfiguration)'
 #   - script: |
 #       cd $(BuildType)
-#       ctest --verbose --timeout 240
+#       ctest --verbose --timeout 180
 #     displayName: CTest
diff --git a/test/test-stress.c b/test/test-stress.c
index 25942299..30ad0e77 100644
--- a/test/test-stress.c
+++ b/test/test-stress.c
@@ -28,7 +28,7 @@ terms of the MIT license.
 #if defined(MI_TSAN)          // with thread-sanitizer reduce the threads to test within the azure pipeline limits
 static int THREADS = 8;       
 static int SCALE   = 25;
-static int ITER    = 200;
+static int ITER    = 400;
 #elif defined(MI_UBSAN)       // with undefined behavious sanitizer reduce parameters to stay within the azure pipeline limits
 static int THREADS = 8;       
 static int SCALE   = 25;