diff --git a/bdk-android/gradle.properties b/bdk-android/gradle.properties
index 2f208ec..9c1ee65 100644
--- a/bdk-android/gradle.properties
+++ b/bdk-android/gradle.properties
@@ -2,4 +2,4 @@ org.gradle.jvmargs=-Xmx1536m
 android.useAndroidX=true
 android.enableJetifier=true
 kotlin.code.style=official
-libraryVersion=1.0.0-alpha.8-SNAPSHOT
+libraryVersion=1.0.0-alpha.9
diff --git a/bdk-jvm/gradle.properties b/bdk-jvm/gradle.properties
index bfbd024..377326e 100644
--- a/bdk-jvm/gradle.properties
+++ b/bdk-jvm/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.jvmargs=-Xmx1536m
 android.enableJetifier=true
 kotlin.code.style=official
-libraryVersion=1.0.0-alpha.8-SNAPSHOT
+libraryVersion=1.0.0-alpha.9
diff --git a/bdk-python/setup.py b/bdk-python/setup.py
index cc7b273..6d96219 100644
--- a/bdk-python/setup.py
+++ b/bdk-python/setup.py
@@ -18,7 +18,7 @@ import bdkpython as bdk
 
 setup(
     name="bdkpython",
-    version="1.0.0a8.dev",
+    version="1.0.0a9",
     description="The Python language bindings for the Bitcoin Development Kit",
     long_description=LONG_DESCRIPTION,
     long_description_content_type="text/markdown",