diff --git a/tools/singularity/fedora34_mingw.def b/tools/singularity/fedora35_mingw.def
similarity index 99%
rename from tools/singularity/fedora34_mingw.def
rename to tools/singularity/fedora35_mingw.def
index 8a1f108aec..c2108a378c 100644
--- a/tools/singularity/fedora34_mingw.def
+++ b/tools/singularity/fedora35_mingw.def
@@ -1,5 +1,5 @@
 BootStrap: docker
-From: fedora:34
+From: fedora:35
 
 %post
         dnf -y update
@@ -94,7 +94,7 @@ EOF
         CUSTOM_PROMPT_ENV=/.singularity.d/env/99-zz_custom_prompt.sh
         cat >$CUSTOM_PROMPT_ENV <<EOF
 #!/bin/bash
-PS1="[fedora34:\u@\h] \W> "
+PS1="[fedora35:\u@\h] \W> "
 EOF
         chmod 755 $CUSTOM_PROMPT_ENV