diff --git a/Project.toml b/Project.toml
index 8f42425..f34c7bd 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "SEAL"
 uuid = "bac81e26-86e4-4b48-8696-7d0406d5dbc1"
 authors = ["Michael Schlottke-Lakemper <michael@sloede.com>"]
-version = "0.4.1-pre"
+version = "0.4.0"
 
 [deps]
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
diff --git a/docs/Project.toml b/docs/Project.toml
index 019bcbe..ffda46a 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -4,4 +4,4 @@ SEAL = "bac81e26-86e4-4b48-8696-7d0406d5dbc1"
 
 [compat]
 Documenter = "0.26"
-SEAL = "0.3"
+SEAL = "0.4"