diff --git a/msys2/ps/09-proxspace_setup.post b/msys2/ps/09-proxspace_setup.post
index ed4e40d80..2b52e282d 100644
--- a/msys2/ps/09-proxspace_setup.post
+++ b/msys2/ps/09-proxspace_setup.post
@@ -1,4 +1,4 @@
-export PSVERSION="3.7.2"
+export PSVERSION="3.7.3"
 export LANG=en_US.UTF-8
 export PS1='\[\033]0;ProxSpace v$PSVERSION - $MSYSTEM:\w\007\033[32m\]pm3 \[\033[33m\]\w\[\033[0m\]$ '
 export PATH=/ps/bin:$PATH