diff --git a/bindings/nostr-sdk-ffi/bindings-android/gradle.properties b/bindings/nostr-sdk-ffi/bindings-android/gradle.properties
index dde8092bc..c4b80e242 100644
--- a/bindings/nostr-sdk-ffi/bindings-android/gradle.properties
+++ b/bindings/nostr-sdk-ffi/bindings-android/gradle.properties
@@ -3,4 +3,4 @@ org.gradle.warning.mode=all
 android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
-libraryVersion=0.12.0
+libraryVersion=0.13.0-alpha.1-SNAPSHOT
diff --git a/bindings/nostr-sdk-ffi/bindings-python/setup.py b/bindings/nostr-sdk-ffi/bindings-python/setup.py
index 15947ce08..c32f84e40 100644
--- a/bindings/nostr-sdk-ffi/bindings-python/setup.py
+++ b/bindings/nostr-sdk-ffi/bindings-python/setup.py
@@ -8,7 +8,7 @@
 
 setup(
     name='nostr-sdk',
-    version='0.12.0',
+    version='0.13.0a1.dev',
     description="High level Nostr client library.",
     long_description=long_description,
     long_description_content_type='text/markdown',