diff --git a/gnu/packages/wxwidgets.scm b/gnu/packages/wxwidgets.scm
index e6194e6f504..d0c323e30c8 100644
--- a/gnu/packages/wxwidgets.scm
+++ b/gnu/packages/wxwidgets.scm
@@ -112,6 +112,7 @@
            libsecret
            libsm
            libtiff
+           libxtst                      ;for wxUIActionSimulator
            mesa
            pcre2
            sdl2