diff --git a/apng_library/build.gradle b/apng_library/build.gradle
index d7f55e2..2f4296e 100644
--- a/apng_library/build.gradle
+++ b/apng_library/build.gradle
@@ -9,7 +9,7 @@ android {
         minSdkVersion 21
         targetSdkVersion 29
         versionCode 1
-        versionName "1.0.10"
+        versionName "1.0.10-beta2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/app-test/build.gradle b/app-test/build.gradle
index f7c2526..367a036 100644
--- a/app-test/build.gradle
+++ b/app-test/build.gradle
@@ -10,7 +10,7 @@ android {
         minSdkVersion 21
         targetSdkVersion 29
         versionCode 1
-        versionName "1.0.10"
+        versionName "1.0.10-beta2"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
diff --git a/app-test/src/main/java/oupson/apngcreator/activities/CreatorActivity.kt b/app-test/src/main/java/oupson/apngcreator/activities/CreatorActivity.kt
index fa84ce5..3891226 100644
--- a/app-test/src/main/java/oupson/apngcreator/activities/CreatorActivity.kt
+++ b/app-test/src/main/java/oupson/apngcreator/activities/CreatorActivity.kt
@@ -158,6 +158,7 @@ class CreatorActivity : AppCompatActivity() {
                                         delay = uri.second.toFloat()
                                     )
                                 }
+                                str.close()
                             } catch (e : Exception) {
                                 Log.e(TAG, "Error when creating apng", e)
                             }