diff --git a/src/testdir/lsan-suppress.txt b/src/testdir/lsan-suppress.txt
index 5166fbf..a3008bd 100644
--- a/src/testdir/lsan-suppress.txt
+++ b/src/testdir/lsan-suppress.txt
@@ -1,3 +1,11 @@
-# Suppress leaks from X libraries on Ubuntu trusty.
+# Suppress leaks from X libraries on Ubuntu bionic.
 leak:libX11.so.6
 leak:libXt.so.6
+leak:libcairo.so.2
+leak:libfontconfig.so.1
+leak:libglib-2.0.so.0
+leak:libtinfo.so.5
+# Suppress leaks from other language libraries.
+leak:libperl.so.*
+leak:libpython*.so.*
+leak:libruby*.so.*