diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d0ad47..a3388dd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -200,7 +200,7 @@
   # - minor updated when there are additions in API/ABI
   # - major (ABI number) updated when there are changes in ABI (or removals)
   set(FlatBuffers_Library_SONAME_MAJOR "1")
-  set(FlatBuffers_Library_SONAME_FULL "${FlatBuffers_Library_SONAME_MAJOR}.8.0")
+  set(FlatBuffers_Library_SONAME_FULL "${FlatBuffers_Library_SONAME_MAJOR}.9.0")
   set_target_properties(flatbuffers_shared PROPERTIES OUTPUT_NAME flatbuffers
                         SOVERSION "${FlatBuffers_Library_SONAME_MAJOR}"
                         VERSION "${FlatBuffers_Library_SONAME_FULL}")
diff --git a/conanfile.py b/conanfile.py
index aac7606..c7b2841 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -9,7 +9,7 @@
 
 class FlatbuffersConan(ConanFile):
     name = "flatbuffers"
-    version = "1.8.0"
+    version = "1.9.0"
     license = "https://github.com/google/flatbuffers/blob/master/LICENSE.txt"
     url = "https://github.com/google/flatbuffers"
     description = "Memory Efficient Serialization Library"
diff --git a/include/flatbuffers/base.h b/include/flatbuffers/base.h
index 6806739..912ed0a 100644
--- a/include/flatbuffers/base.h
+++ b/include/flatbuffers/base.h
@@ -100,7 +100,7 @@
 #endif // !defined(FLATBUFFERS_LITTLEENDIAN)
 
 #define FLATBUFFERS_VERSION_MAJOR 1
-#define FLATBUFFERS_VERSION_MINOR 8
+#define FLATBUFFERS_VERSION_MINOR 9
 #define FLATBUFFERS_VERSION_REVISION 0
 #define FLATBUFFERS_STRING_EXPAND(X) #X
 #define FLATBUFFERS_STRING(X) FLATBUFFERS_STRING_EXPAND(X)
diff --git a/package.json b/package.json
index 65169c0..ae65135 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "flatbuffers",
-  "version": "1.8.0",
+  "version": "1.9.0",
   "description": "Memory Efficient Serialization Library",
   "files": ["js/flatbuffers.js", "js/flatbuffers.mjs"],
   "main": "js/flatbuffers",
diff --git a/pom.xml b/pom.xml
index 74de441..f4dcc01 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.flatbuffers</groupId>
   <artifactId>flatbuffers-java</artifactId>
-  <version>1.8.0</version>
+  <version>1.9.0</version>
   <packaging>bundle</packaging>
   <name>FlatBuffers Java API</name>
   <description>
diff --git a/src/flatc.cpp b/src/flatc.cpp
index a164550..8e4906f 100644
--- a/src/flatc.cpp
+++ b/src/flatc.cpp
@@ -18,7 +18,7 @@
 
 #include <list>
 
-#define FLATC_VERSION "1.8.0 (" __DATE__ " " __TIME__ ")"
+#define FLATC_VERSION "1.9.0 (" __DATE__ " " __TIME__ ")"
 
 namespace flatbuffers {