diff --git a/REQUIREMENTS.txt b/REQUIREMENTS.txt
index ba2357c0..d5cc0582 100644
--- a/REQUIREMENTS.txt
+++ b/REQUIREMENTS.txt
@@ -1,5 +1,6 @@
 git rev-parse --verify HEAD
 
-GSL: 72192d0d9de17de08d9379602d6482b4e5d402d0
+GSL: v4.1.4 (https://github.com/imatix/gsl)
 ZPROJECT: d2405f99ea958f062c261f25ec068c78fb1bd697
-CZMQ: 6634a6c26b79b55f606a823be728e1eed1441e83
\ No newline at end of file
+CZMQ: v3.0.2 (http://github.com/zeromq/czmq)
+ZEROMQ: v4.1.3 (https://github.com/zeromq/zeromq4-1)