diff --git a/CHANGES/v2.3.txt b/CHANGES/v2.3.txt
index 74e711464930de802cbabe9d1aab76814e9b0079..72e9747f9323bf965a0a589e53c5abadbea6375e 100644
--- a/CHANGES/v2.3.txt
+++ b/CHANGES/v2.3.txt
@@ -129,7 +129,7 @@ For developers:
    are now passed by const ref) and false positives marked as such.
 - Added coverage scan.
 
-Version 2.3.1 (coming soon)
+Version 2.3.1 (Mar 31, 2017)
 -------------
 See branch \branch{v2.3} on git repository.
 
diff --git a/VERSION b/VERSION
index 28ea45da7e3f058ba2f12da8727f000c9fc28e79..d391ccd421baca149fba52e95f5ff431dccac117 100644
--- a/VERSION
+++ b/VERSION
@@ -5,4 +5,4 @@
 # (this is same as gromacs)
 # Notice that "plumed --version" will return only 2.X
 # and "plumed --long-version" will return the full string
-2.3.0
+2.3.1