diff --git a/azure/posix.yml b/azure/posix.yml
index 4ba8880..e046ea6 100644
--- a/azure/posix.yml
+++ b/azure/posix.yml
@@ -9,13 +9,13 @@ jobs:
       vmImage: ${{ parameters.vmImage }}
     variables:
       REPO_DIR: "pandas"
-      BUILD_COMMIT: "v1.1.0"
+      BUILD_COMMIT: "1.1.x"
       PLAT: "x86_64"
       NP_BUILD_DEP: "numpy==1.13.3"
       CYTHON_BUILD_DEP: "cython==0.29.16"
       NIGHTLY_BUILD_COMMIT: "master"
       NIGHTLY_BUILD: "false"
-      TEST_DEPENDS: "pytest pytest-xdist hypothesis"
+      TEST_DEPENDS: "pytest pytest-xdist==1.* hypothesis"
       TEST_DIR: "tmp_for_test"
     strategy:
       matrix:
diff --git a/azure/windows.yml b/azure/windows.yml
index 6ca13c7..df5cb06 100644
--- a/azure/windows.yml
+++ b/azure/windows.yml
@@ -8,7 +8,7 @@ jobs:
     pool:
       vmImage: ${{ parameters.vmImage }}
     variables:
-      BUILD_COMMIT: "v1.1.0"
+      BUILD_COMMIT: "1.1.x"
       NP_BUILD_DEP: "1.13.3"
       CYTHON_BUILD_DEP: "0.29.16"
       NIGHTLY_BUILD_COMMIT: "master"