diff --git a/externals/Makefile.am b/externals/Makefile.am
index ec2e5c6d35..80c1548bbf 100644
--- a/externals/Makefile.am
+++ b/externals/Makefile.am
@@ -1,11 +1,11 @@
 # bzip2
 
-BZIP2 = bzip2-1.0.5
+BZIP2 = bzip2-1.0.6
 
 $(BZIP2).tar.gz:
 	@echo "Nix requires bzip2 to build."
-	@echo "Please download version 1.0.5 from"
-	@echo "  http://www.bzip.org/1.0.5/bzip2-1.0.5.tar.gz"
+	@echo "Please download version 1.0.6 from"
+	@echo "  http://www.bzip.org/1.0.6/bzip2-1.0.6.tar.gz"
 	@echo "and place it in the externals/ directory."
 	false