diff --git a/Project.toml b/Project.toml
index 8a3a4772613..810d0509d5e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Trixi"
 uuid = "a7f1ee26-1774-49b1-8366-f1abc58fbfcb"
 authors = ["Michael Schlottke-Lakemper <m.schlottke-lakemper@hlrs.de>", "Gregor Gassner <ggassner@uni-koeln.de>", "Hendrik Ranocha <mail@ranocha.de>", "Andrew R. Winters <andrew.ross.winters@liu.se>", "Jesse Chan <jesse.chan@rice.edu>"]
-version = "0.9.9-DEV"
+version = "0.9.9"
 
 [deps]
 Accessors = "7d9f7c33-5ae7-4f3b-8dc6-eff91059b697"