diff --git a/build/jam/OptionalPackages b/build/jam/OptionalPackages
index 26b10687c9..cebd400d49 100644
--- a/build/jam/OptionalPackages
+++ b/build/jam/OptionalPackages
@@ -426,12 +426,10 @@ if [ IsOptionalHaikuImagePackageAdded CVS ] {
 # Development
 if [ IsOptionalHaikuImagePackageAdded Development ] && $(TARGET_ARCH) = x86 {
 	# autotools
-	InstallOptionalHaikuImagePackage autoconf-2.65-r1a2-x86-gcc2-2010-04-21-a.zip
-		: $(baseURL)/autoconf-2.65-r1a2-x86-gcc2-2010-04-21-a.zip
+	InstallOptionalHaikuImagePackage autoconf-2.66-x86-gcc2-2010-07-03.zip
+		: $(baseURL)/autoconf-2.66-x86-gcc2-2010-07-03.zip
 		:
-		: true ;
-	InstallSourceArchive autoconf-2.65_haiku-2010-04-29.tar.xz
-		: $(baseSourceURL)/autoconf-2.65_haiku-2010-04-29.tar.xz
+		: true
 	;
 	InstallOptionalHaikuImagePackage automake-1.11.1-r1a2-x86-gcc2-2010-04-21-a.zip
 		: $(baseURL)/automake-1.11.1-r1a2-x86-gcc2-2010-04-21-a.zip