diff --git a/CHANGES b/CHANGES
index 283f03f..22b29a4 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+1.7.1 (2016-11-11)
+ * sync with OCaml 4.04
+ * add Hashtbl.Make for better compatibility
+
 1.7.0 (2015-08-29)
  * Switch to git and move repo to github
  * `-safe-string` compatibility
diff --git a/Makefile b/Makefile
index bec939a..d7b4558 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 
 VERSION:=$(shell git describe --always --long)
-RELEASE:=1.7.0
+RELEASE:=1.7.1
 
 ifndef VERSION
 VERSION:=$(RELEASE)
@@ -31,6 +31,5 @@ NAME=extlib-$(RELEASE)
 
 release:
 	git tag -a -m $(RELEASE) $(RELEASE)
-	# using github archive - it will have different checksum
-	#git archive --prefix=$(NAME)/ $(RELEASE) | gzip > $(NAME).tar.gz
-	# gpg -a -b $(NAME).tar.gz
+	git archive --prefix=$(NAME)/ $(RELEASE) | gzip > $(NAME).tar.gz
+	gpg -a -b $(NAME).tar.gz
diff --git a/README.md b/README.md
index 7a08ed9..7f52df0 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,16 @@ Usage
 
 Generate and read the documentation.
 
+Release
+-------
+
+* Review `git log` and update CHANGES
+* Update version in Makefile
+* Commit
+* `make release`
+* upload tarball and make release on github
+* opam publish
+
 Contributors
 ------------