diff --git a/.gitattributes b/.gitattributes
index f3a8f36767..1af5b0d22c 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -8939,8 +8939,8 @@ packager/globallinks/lazutils-1.lpl svneol=native#text/plain
 packager/globallinks/lazvlc-1.lpl svneol=native#text/plain
 packager/globallinks/lazwebextra-0.9.lpl svneol=native#text/plain
 packager/globallinks/lazwiki-1.0.1.lpl svneol=native#text/plain
-packager/globallinks/lcl-1.7.lpl svneol=native#text/plain
-packager/globallinks/lclbase-1.7.lpl svneol=native#text/plain
+packager/globallinks/lcl-1.9.lpl svneol=native#text/plain
+packager/globallinks/lclbase-1.9.lpl svneol=native#text/plain
 packager/globallinks/leakview-1.lpl svneol=native#text/plain
 packager/globallinks/lhelpcontrolpkg-0.2.lpl svneol=native#text/plain
 packager/globallinks/lr_add_function-1.lpl svneol=native#text/plain
diff --git a/debian/changelog b/debian/changelog
index e34f004472..9d90da4250 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,8 +1,14 @@
+lazarus (1.9.0) unstable; urgency=low
+
+  * Snapshot building.
+
+ -- Mattias Gaertner <mattias@freepascal.org>  Sun, 8 Apr 2017 00:01:22 +0200
+
 lazarus (1.8.0RC1) unstable; urgency=low
 
   * Snapshot building.
 
- -- Mattias Gaertner <mattias@freepascal.org>  Sun, 8 Apr 2017 23:33:22 +0200
+ -- Mattias Gaertner <mattias@freepascal.org>  Sat, 8 Apr 2017 23:33:22 +0200
 
 lazarus (1.7.0) unstable; urgency=low
 
diff --git a/ide/lazarus.res b/ide/lazarus.res
index e13c164eaf..54aa65777e 100644
Binary files a/ide/lazarus.res and b/ide/lazarus.res differ
diff --git a/ide/version.inc b/ide/version.inc
index efeab4653b..991c95e9e1 100644
--- a/ide/version.inc
+++ b/ide/version.inc
@@ -1 +1 @@
-'1.8.0RC1'
+'1.9.0'
diff --git a/lazarus.app/Contents/Info.plist b/lazarus.app/Contents/Info.plist
index 5f05592455..7ec3ecf260 100644
--- a/lazarus.app/Contents/Info.plist
+++ b/lazarus.app/Contents/Info.plist
@@ -148,7 +148,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>Lazarus IDE v1.8.0 RC1</string>
+	<string>Lazarus IDE v1.9.0</string>
 	<key>CFBundleSignature</key>
 	<string>laza</string>
 	<key>CFBundleVersion</key>
diff --git a/lcl/interfaces/lcl.lpk b/lcl/interfaces/lcl.lpk
index f9ffc48a49..fe280ed502 100644
--- a/lcl/interfaces/lcl.lpk
+++ b/lcl/interfaces/lcl.lpk
@@ -128,7 +128,7 @@ end;"/>
 "/>
     <License Value="modified LGPL-2
 "/>
-    <Version Major="1" Minor="8" Build="1"/>
+    <Version Major="1" Minor="9"/>
     <Files Count="477">
       <Item1>
         <Filename Value="carbon/agl.pp"/>
diff --git a/lcl/lclbase.lpk b/lcl/lclbase.lpk
index 416f768809..4e0d8e1265 100644
--- a/lcl/lclbase.lpk
+++ b/lcl/lclbase.lpk
@@ -26,7 +26,7 @@
 "/>
     <License Value="modified LGPL-2
 "/>
-    <Version Major="1" Minor="8" Build="1"/>
+    <Version Major="1" Minor="9"/>
     <Files Count="285">
       <Item1>
         <Filename Value="checklst.pas"/>
diff --git a/lcl/lclversion.pas b/lcl/lclversion.pas
index b31d9d6ad7..57eec157d4 100644
--- a/lcl/lclversion.pas
+++ b/lcl/lclversion.pas
@@ -33,11 +33,11 @@ interface
 
 const
   lcl_major = 1;
-  lcl_minor = 8;
+  lcl_minor = 9;
   lcl_release = 0;
-  lcl_patch = 1;
+  lcl_patch = 0;
   lcl_fullversion = ((lcl_major *  100 + lcl_minor) * 100 + lcl_release) * 100 + lcl_patch;
-  lcl_version = '1.8.0.1';
+  lcl_version = '1.9.0.0';
 
 implementation
 
diff --git a/packager/globallinks/lcl-1.7.lpl b/packager/globallinks/lcl-1.9.lpl
similarity index 100%
rename from packager/globallinks/lcl-1.7.lpl
rename to packager/globallinks/lcl-1.9.lpl
diff --git a/packager/globallinks/lclbase-1.7.lpl b/packager/globallinks/lclbase-1.9.lpl
similarity index 100%
rename from packager/globallinks/lclbase-1.7.lpl
rename to packager/globallinks/lclbase-1.9.lpl
diff --git a/tools/install/linux/environmentoptions.xml b/tools/install/linux/environmentoptions.xml
index 6f78185cd4..e88aa8293b 100644
--- a/tools/install/linux/environmentoptions.xml
+++ b/tools/install/linux/environmentoptions.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <CONFIG>
   <EnvironmentOptions>
-    <Version Value="110" Lazarus="1.8.0RC1"/>
+    <Version Value="110" Lazarus="1.9.0"/>
     <LazarusDirectory Value="__LAZARUSDIR__">
       <History Count="1">
         <Item1 Value="/usr/lib/lazarus/"/>
diff --git a/tools/install/macosx/environmentoptions.xml b/tools/install/macosx/environmentoptions.xml
index 63443d5acf..3a8d1998c6 100644
--- a/tools/install/macosx/environmentoptions.xml
+++ b/tools/install/macosx/environmentoptions.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <CONFIG>
   <EnvironmentOptions>
-    <Version Value="110" Lazarus="1.8.0RC1"/>
+    <Version Value="110" Lazarus="1.9.0"/>
     <LazarusDirectory Value="/Developer/lazarus/">
       <History Count="1">
         <Item1 Value="/Developer/lazarus/"/>
diff --git a/tools/install/win/environmentoptions.xml b/tools/install/win/environmentoptions.xml
index 94d1daeb67..72b7779d53 100644
--- a/tools/install/win/environmentoptions.xml
+++ b/tools/install/win/environmentoptions.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <CONFIG>
   <EnvironmentOptions>
-    <Version Value="110" Lazarus="1.8.0RC1"/>
+    <Version Value="110" Lazarus="1.9.0"/>
     <LazarusDirectory Value="%LazDir%">
     </LazarusDirectory>
     <CompilerFilename Value="%FpcBinDir%\fpc.exe">