diff --git a/shell-completion/bash/systemd-confext b/shell-completion/bash/systemd-confext
index d36f70fa094..16dbdf06bbe 100644
--- a/shell-completion/bash/systemd-confext
+++ b/shell-completion/bash/systemd-confext
@@ -36,7 +36,8 @@ _systemd-confext() {
         [ARG]='--root
                --json
                --noexec
-               --image-policy'
+               --image-policy
+               --mutable'
     )
 
     local -A VERBS=(
@@ -59,11 +60,14 @@ _systemd-confext() {
                 comps='pretty short off'
                 ;;
             --noexec)
-                comps='false true'
+                comps='no yes'
                 ;;
             --image-policy)
                 comps=''
                 ;;
+            --mutable)
+                comps=$( systemd-confext --no-legend --mutable=help 2>/dev/null; echo help )
+                ;;
         esac
         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
         return 0
diff --git a/shell-completion/bash/systemd-sysext b/shell-completion/bash/systemd-sysext
index 5c15f076a87..c605237ed67 100644
--- a/shell-completion/bash/systemd-sysext
+++ b/shell-completion/bash/systemd-sysext
@@ -31,9 +31,13 @@ _systemd-sysext() {
         [STANDALONE]='-h --help --version
                      --no-pager
                      --no-legend
+                     --no-reload
                      --force'
         [ARG]='--root
-               --json'
+               --json
+               --noexec
+               --image-policy
+               --mutable'
     )
 
     local -A VERBS=(
@@ -55,6 +59,15 @@ _systemd-sysext() {
             --json)
                 comps='pretty short off'
                 ;;
+            --noexec)
+                comps='no yes'
+                ;;
+            --image-policy)
+                comps=''
+                ;;
+            --mutable)
+                comps=$( systemd-sysext --no-legend --mutable=help 2>/dev/null; echo help )
+                ;;
         esac
         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
         return 0