diff --git a/CHANGELOG.md b/CHANGELOG.md
index fc9a36cab6..6176375ed6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [0.25.2](https://www.github.com/googleapis/gapic-generator-python/compare/v0.25.1...v0.25.2) (2020-06-23)
+
+
+### Bug Fixes
+
+* always use dataclasses 0.6 ([#481](https://www.github.com/googleapis/gapic-generator-python/issues/481)) ([066d04e](https://www.github.com/googleapis/gapic-generator-python/commit/066d04e7d53301024106f244280502f16af46b79))
+
 ### [0.25.1](https://www.github.com/googleapis/gapic-generator-python/compare/0.25.0...v0.25.1) (2020-06-23)
 
 
diff --git a/requirements.txt b/requirements.txt
index 5ba300c78b..afd9f7aac6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ MarkupSafe==1.1.1
 protobuf==3.12.2
 pypandoc==1.5
 PyYAML==5.3.1
-dataclasses==0.6; python_version < '3.7'
+dataclasses==0.6  # TODO(busunkim) remove when 3.6 support is dropped
diff --git a/setup.py b/setup.py
index 64a2f50164..1659462c2f 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
 
 PACKAGE_ROOT = os.path.abspath(os.path.dirname(__file__))
 
-version = "0.25.1"
+version = "0.25.2"
 
 with io.open(os.path.join(PACKAGE_ROOT, "README.rst")) as file_obj:
     README = file_obj.read()
@@ -51,7 +51,7 @@
         "protobuf >= 3.12.0",
         "pypandoc >= 1.4",
         "PyYAML >= 5.1.1",
-        "dataclasses < 0.7; python_version < '3.7'"
+        "dataclasses<0.8; python_version < '3.7'"
     ),
     extras_require={':python_version<"3.7"': ("dataclasses >= 0.4",),},
     tests_require=("pyfakefs >= 3.6",),