diff --git a/packages/opencv_core/CHANGELOG.md b/packages/opencv_core/CHANGELOG.md
index 5f843ed..93f2cfa 100644
--- a/packages/opencv_core/CHANGELOG.md
+++ b/packages/opencv_core/CHANGELOG.md
@@ -7,6 +7,8 @@
 * use native implementation of 8U/8S -> F16 for `cv.LUT()`
 * make `VecVecChar` unmodifible
 * more tests
+* add more functions in `calib3d`
+* make the version of `dartcv4` fixed
 
 ## 1.3.3
 
diff --git a/packages/opencv_core/pubspec.yaml b/packages/opencv_core/pubspec.yaml
index cdb3c4c..e889011 100644
--- a/packages/opencv_core/pubspec.yaml
+++ b/packages/opencv_core/pubspec.yaml
@@ -16,7 +16,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  dartcv4: ^1.1.1
+  dartcv4: 1.1.2
 
 dev_dependencies:
   test: ^1.25.2
diff --git a/packages/opencv_dart/CHANGELOG.md b/packages/opencv_dart/CHANGELOG.md
index 70de25c..7f55e5d 100644
--- a/packages/opencv_dart/CHANGELOG.md
+++ b/packages/opencv_dart/CHANGELOG.md
@@ -7,6 +7,8 @@
 * use native implementation of 8U/8S -> F16 for `cv.LUT()`
 * make `VecVecChar` unmodifible
 * more tests
+* add more functions in `calib3d`
+* make the version of `dartcv4` fixed
 
 ## 1.3.3
 
diff --git a/packages/opencv_dart/pubspec.yaml b/packages/opencv_dart/pubspec.yaml
index f4d3f4d..c4e1899 100644
--- a/packages/opencv_dart/pubspec.yaml
+++ b/packages/opencv_dart/pubspec.yaml
@@ -16,7 +16,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  dartcv4: ^1.1.1
+  dartcv4: 1.1.2
 
 dev_dependencies:
   test: ^1.25.2