diff --git a/pyproject.toml b/pyproject.toml
index 9a491e8b..76bb25f3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,11 +37,11 @@ Documentation = "https://markdown-it-py.readthedocs.io"
 [project.optional-dependencies]
 code_style = ["pre-commit~=3.0"]
 compare = [
-    "commonmark~=0.9.1",
-    "markdown~=3.3.6",
-    "mistletoe~=0.8.1",
-    "mistune~=2.0.2",
-    "panflute~=2.1.3",
+    "commonmark~=0.9",
+    "markdown~=3.4",
+    "mistletoe~=1.0",
+    "mistune~=2.0",
+    "panflute~=2.3",
 ]
 linkify = ["linkify-it-py~=1.0"]
 plugins = ["mdit-py-plugins"]