diff --git a/codebuild/cd/manylinux-x64-build.yml b/codebuild/cd/manylinux-x64-build.yml
index 146f3a726..844f3b25f 100644
--- a/codebuild/cd/manylinux-x64-build.yml
+++ b/codebuild/cd/manylinux-x64-build.yml
@@ -8,7 +8,7 @@ phases:
     commands:
       - export CC=gcc
       - cd aws-crt-python
-      - /opt/python/cp37-cp37m/bin/python ./continuous-delivery/update-version.py
+      - /opt/python/cp38-cp38m/bin/python ./continuous-delivery/update-version.py
   build:
     commands:
       - echo Build started on `date`
diff --git a/codebuild/cd/manylinux-x86-build.yml b/codebuild/cd/manylinux-x86-build.yml
index d1bd6e059..5a9253f1c 100644
--- a/codebuild/cd/manylinux-x86-build.yml
+++ b/codebuild/cd/manylinux-x86-build.yml
@@ -8,7 +8,7 @@ phases:
     commands:
       - export CC=gcc
       - cd aws-crt-python
-      - /opt/python/cp37-cp37m/bin/python ./continuous-delivery/update-version.py
+      - /opt/python/cp38-cp38m/bin/python ./continuous-delivery/update-version.py
   build:
     commands:
       - echo Build started on `date`
diff --git a/continuous-delivery/sanity-check-test-pypi.bat b/continuous-delivery/sanity-check-test-pypi.bat
index 949911612..8cc2d0166 100644
--- a/continuous-delivery/sanity-check-test-pypi.bat
+++ b/continuous-delivery/sanity-check-test-pypi.bat
@@ -1,8 +1,8 @@
 FOR /F "delims=" %%A in ('git describe --tags') do ( set TAG_VERSION=%%A )
 set CURRENT_VERSION=%TAG_VERSION:v=%
 
-"C:\Program Files\Python37\python.exe" continuous-delivery\pip-install-with-retry.py --no-cache-dir -i https://testpypi.python.org/simple --user awscrt==%CURRENT_VERSION% || goto error
-"C:\Program Files\Python37\python.exe" continuous-delivery\test-pip-install.py || goto error
+"C:\Program Files\Python38\python.exe" continuous-delivery\pip-install-with-retry.py --no-cache-dir -i https://testpypi.python.org/simple --user awscrt==%CURRENT_VERSION% || goto error
+"C:\Program Files\Python38\python.exe" continuous-delivery\test-pip-install.py || goto error
 
 goto :EOF