diff --git a/Cargo.toml b/Cargo.toml
index e3aea95a..e80d3c34 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ lazy_static = "1.4.0"
 libc = "0.2.62"
 nix = "0.15.0"
 ordered-float = "0.5.0"
-prolog_parser = "0.8.34"
+prolog_parser = "0.8.35"
 ref_thread_local = "0.0.0"
 rug = "1.4.0"
 rustyline = "5.0.3"