diff --git a/pyproject.toml b/pyproject.toml
index 6204a5e..1d07995 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ dependencies = [
     "nltk~=3.8",
     "openai~=1.3",
     "pandas~=2.0",
-    "pubmed-parser~=0.3.1",
+    "pubmed-parser~=0.5",
     "pydantic~=2.5",
     "pyrate-limiter~=3.2",
     "pyterrier-caching @ git+https://github.com/seanmacavaney/pyterrier-caching.git@464c983b2785bdf14da0078cb5b6c8fa41336b73",