diff --git a/airbyte-cdk/python/.bumpversion.cfg b/airbyte-cdk/python/.bumpversion.cfg
index 034961f06259..128cd4fe6864 100644
--- a/airbyte-cdk/python/.bumpversion.cfg
+++ b/airbyte-cdk/python/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.51.30
+current_version = 0.51.31
 commit = False
 
 [bumpversion:file:setup.py]
diff --git a/airbyte-cdk/python/CHANGELOG.md b/airbyte-cdk/python/CHANGELOG.md
index ab0a4813aba8..73e2230eeca5 100644
--- a/airbyte-cdk/python/CHANGELOG.md
+++ b/airbyte-cdk/python/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 0.51.31
+Fix initialize of token_expiry_is_time_of_expiration field
+
 ## 0.51.30
 Add new token_expiry_is_time_of_expiration property for AbstractOauth2Authenticator for indicate that token's expiry_in is a time of expiration
 
diff --git a/airbyte-cdk/python/Dockerfile b/airbyte-cdk/python/Dockerfile
index 488e23568f1e..9f2fe6979d97 100644
--- a/airbyte-cdk/python/Dockerfile
+++ b/airbyte-cdk/python/Dockerfile
@@ -10,7 +10,7 @@ RUN apk --no-cache upgrade \
     && apk --no-cache add tzdata build-base
 
 # install airbyte-cdk
-RUN pip install --prefix=/install airbyte-cdk==0.51.30
+RUN pip install --prefix=/install airbyte-cdk==0.51.31
 
 # build a clean environment
 FROM base
@@ -32,5 +32,5 @@ ENV AIRBYTE_ENTRYPOINT "python /airbyte/integration_code/main.py"
 ENTRYPOINT ["python", "/airbyte/integration_code/main.py"]
 
 # needs to be the same as CDK
-LABEL io.airbyte.version=0.51.30
+LABEL io.airbyte.version=0.51.31
 LABEL io.airbyte.name=airbyte/source-declarative-manifest
diff --git a/airbyte-cdk/python/setup.py b/airbyte-cdk/python/setup.py
index f4d542dccaca..6554c282436c 100644
--- a/airbyte-cdk/python/setup.py
+++ b/airbyte-cdk/python/setup.py
@@ -26,7 +26,7 @@
     name="airbyte-cdk",
     # The version of the airbyte-cdk package is used at runtime to validate manifests. That validation must be
     # updated if our semver format changes such as using release candidate versions.
-    version="0.51.30",
+    version="0.51.31",
     description="A framework for writing Airbyte Connectors.",
     long_description=README,
     long_description_content_type="text/markdown",