diff --git a/.builds/alpine.yml b/.builds/alpine.yml
index 96382f1a4..a4e4ad62d 100644
--- a/.builds/alpine.yml
+++ b/.builds/alpine.yml
@@ -8,6 +8,7 @@ packages:
   - py3-pexpect
   - python3
   - rust
+  - tmux
 sources:
   - https://github.com/fish-shell/fish-shell
 tasks:
diff --git a/.builds/arch.yml b/.builds/arch.yml
index 8cdb3b830..e6b2cde32 100644
--- a/.builds/arch.yml
+++ b/.builds/arch.yml
@@ -4,6 +4,7 @@ packages:
   - ninja
   - python
   - python-pexpect
+  - tmux
 sources:
   - https://git.sr.ht/~faho/fish
 tasks:
diff --git a/.builds/freebsd.yml b/.builds/freebsd.yml
index f9a76af71..6e8db6064 100644
--- a/.builds/freebsd.yml
+++ b/.builds/freebsd.yml
@@ -8,9 +8,10 @@ packages:
   - terminfo-db
   - ninja
   - pcre2
-  - py39-pexpect
+  - py311-pexpect
   - python
   - rust
+  - tmux
 sources:
   - https://github.com/fish-shell/fish-shell
 tasks: