diff --git a/build/jam/OptionalBuildFeatures b/build/jam/OptionalBuildFeatures
index aefaff1a63..4f514a2a54 100644
--- a/build/jam/OptionalBuildFeatures
+++ b/build/jam/OptionalBuildFeatures
@@ -55,8 +55,8 @@ if $(HAIKU_BUILD_FEATURE_SSL) {
 # ICU
 
 # Note ICU isn't actually optional, but is still an external package
-HAIKU_ICU_GCC_2_PACKAGE = icu-4.4.1-x86-gcc2-2010-07-26.zip ;
-HAIKU_ICU_GCC_4_PACKAGE = icu-4.4.1-x86-gcc4-2010-07-26.zip ;
+HAIKU_ICU_GCC_2_PACKAGE = icu-4.4.1-r1a3-x86-gcc2-2011-05-27.zip ;
+HAIKU_ICU_GCC_4_PACKAGE = icu-4.4.1-r1a3-x86-gcc4-2011-05-27.zip ;
 HAIKU_ICU_PPC_PACKAGE = icu-4.4.1-ppc-2010-08-17.zip ;
 HAIKU_ICU_DEVEL_PACKAGE = icu-devel-4.4.1-2010-07-26.zip ;
 
diff --git a/build/jam/OptionalPackages b/build/jam/OptionalPackages
index 82d028062e..f98f84cd36 100644
--- a/build/jam/OptionalPackages
+++ b/build/jam/OptionalPackages
@@ -153,8 +153,8 @@ if [ IsOptionalHaikuImagePackageAdded ArmyKnife ] {
 		Echo "No optional package ArmyKnife for gcc4" ;
 	} else {
 		InstallOptionalHaikuImagePackage 
-			armyknife-61-r1a3-x86-gcc2-2011-05-20.zip
-			: $(baseURL)/armyknife-61-r1a3-x86-gcc2-2011-05-20.zip ;
+			armyknife-61-r1a3-x86-gcc2-2011-05-27.zip
+			: $(baseURL)/armyknife-61-r1a3-x86-gcc2-2011-05-27.zip ;
 		AddSymlinkToHaikuImage home config be Applications
 			: /boot/apps/ArmyKnife/ArmyKnife ;
 	}