diff --git a/Project.toml b/Project.toml
index 3543474..55b64a1 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "FITSIO"
 uuid = "525bcba6-941b-5504-bd06-fd0dc1a4d2eb"
-version = "0.17.3"
+version = "0.17.4"
 
 [deps]
 CFITSIO = "3b1b4be9-1499-4b22-8d78-7db3344d1961"