diff --git a/.travis.yml b/.travis.yml
index b3c5c45..23e4c9d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ env:
   global:
       - REPO_DIR=pandas
       # on release change this to a version
-      - BUILD_COMMIT="v1.5.0rc0"
+      - BUILD_COMMIT="1.4.x"
       - UNICODE_WIDTH=32
       - PLAT=aarch64
       - NP_BUILD_DEP="numpy==1.17.3"
diff --git a/azure/posix.yml b/azure/posix.yml
index 5c693e3..7547573 100644
--- a/azure/posix.yml
+++ b/azure/posix.yml
@@ -9,7 +9,7 @@ jobs:
       vmImage: ${{ parameters.vmImage }}
     variables:
       REPO_DIR: "pandas"
-      BUILD_COMMIT: "v1.5.0rc0"
+      BUILD_COMMIT: "1.4.x"
       PLAT: "x86_64"
       NP_BUILD_DEP: "numpy==1.17.3"
       CYTHON_BUILD_DEP: "cython==0.29.32"
diff --git a/azure/windows.yml b/azure/windows.yml
index edd44b7..0a53d71 100644
--- a/azure/windows.yml
+++ b/azure/windows.yml
@@ -8,7 +8,7 @@ jobs:
     pool:
       vmImage: ${{ parameters.vmImage }}
     variables:
-      BUILD_COMMIT: "v1.5.0rc0"
+      BUILD_COMMIT: "1.4.x"
       NP_BUILD_DEP: "1.17.3"
       CYTHON_BUILD_DEP: "0.29.32"
       NIGHTLY_BUILD_COMMIT: "main"