diff --git a/.gitignore b/.gitignore
index 3d52fa7..6d80ea6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@
 local.properties
 .gradle
 !/gradle/wrapper/gradle-wrapper.jar
+opencv/build
diff --git a/app/build.gradle b/app/build.gradle
index 2444f09..c5f30bb 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -38,11 +38,13 @@ android {
 dependencies {
 
     implementation 'androidx.core:core-ktx:1.7.0'
-    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
     implementation 'com.google.android.material:material:1.8.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-    implementation 'androidx.navigation:navigation-fragment-ktx:2.5.3'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.5.3'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.2'
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.5.2'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.5.2'
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation project(':opencv')
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'