diff --git a/Cargo.toml b/Cargo.toml
index 85e669717..ba3098614 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ printf-compat = { git = "https://github.com/fish-shell/printf-compat.git", branc
 bitflags = "2.4.0"
 errno = "0.2.8"
 lazy_static = "1.4.0"
-libc = "0.2.137"
+libc = "= 0.2.151"
 # lru pulls in hashbrown by default, which uses a faster (though less DoS resistant) hashing algo.
 # disabling default features uses the stdlib instead, but it doubles the time to rewrite the history
 # files as of 22 April 2024.