diff --git a/.config/nextest.toml b/.config/nextest.toml
index 6297c2fe4268..5abe0ff92d69 100644
--- a/.config/nextest.toml
+++ b/.config/nextest.toml
@@ -18,7 +18,8 @@ max-threads = 1
 
 [[profile.default.overrides]]
 filter = 'package(mdbook-prql)'
-slow-timeout = {period = "8s", terminate-after = 2}
+# These are testing dozens of queries, so we give them more time.
+slow-timeout = {period = "20s", terminate-after = 2}
 test-group = 'docs-mdbook'
 
 [test-groups.docs-mdbook]