diff --git a/src/JavaFileStorageBindings/Jars/okio-1.13.0.jar b/src/JavaFileStorageBindings/Jars/okio-1.13.0.jar
new file mode 100644
index 00000000..02c302f8
Binary files /dev/null and b/src/JavaFileStorageBindings/Jars/okio-1.13.0.jar differ
diff --git a/src/JavaFileStorageBindings/Jars/okio-1.9.0.jar b/src/JavaFileStorageBindings/Jars/okio-1.9.0.jar
deleted file mode 100644
index 3c42b934..00000000
Binary files a/src/JavaFileStorageBindings/Jars/okio-1.9.0.jar and /dev/null differ
diff --git a/src/JavaFileStorageBindings/JavaFileStorageBindings.csproj b/src/JavaFileStorageBindings/JavaFileStorageBindings.csproj
index 796faa70..9123ffe9 100644
--- a/src/JavaFileStorageBindings/JavaFileStorageBindings.csproj
+++ b/src/JavaFileStorageBindings/JavaFileStorageBindings.csproj
@@ -152,13 +152,13 @@
   <ItemGroup>
     <EmbeddedReferenceJar Include="Jars\jackson-core-2.7.4.jar" />
   </ItemGroup>
-  <ItemGroup>
-    <EmbeddedReferenceJar Include="Jars\okio-1.9.0.jar" />
-  </ItemGroup>
   <ItemGroup>
     <EmbeddedJar Include="Jars\dropbox-core-sdk-3.0.3.jar" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedReferenceJar Include="Jars\okhttp-3.9.0.jar" />
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedReferenceJar Include="Jars\okio-1.13.0.jar" />
+  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/keepass2android/proguard.cfg b/src/keepass2android/proguard.cfg
index 7ac48497..c6b889d4 100644
--- a/src/keepass2android/proguard.cfg
+++ b/src/keepass2android/proguard.cfg
@@ -12,6 +12,7 @@
 }
 
 -keep class com.squareup.okhttp.**
+-keep class okio.**
 -keep class com.jcraft.**
 
 -keep class com.samsung.android.**