diff --git a/lib/galaxy/dependencies/pinned-requirements.txt b/lib/galaxy/dependencies/pinned-requirements.txt
index 2f9a0dc0321..83fe9855306 100644
--- a/lib/galaxy/dependencies/pinned-requirements.txt
+++ b/lib/galaxy/dependencies/pinned-requirements.txt
@@ -170,7 +170,8 @@ markdown-it-py==4.0.0 ; python_full_version >= '3.11'
 markupsafe==3.0.3
 mcp==1.25.0 ; python_full_version >= '3.10'
 mdurl==0.1.2
-mercurial==7.1.2
+mercurial==7.1.2 ; python_version < '3.14'
+mercurial==7.2rc0 ; python_version >= '3.14'
 mistralai==1.9.11
 mistune==3.1.4
 more-itertools==10.8.0
diff --git a/pyproject.toml b/pyproject.toml
index 688156fd7d3..4b32d1a3485 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,8 @@ dependencies = [
     "Mako",
     "Markdown",
     "MarkupSafe",
-    "mercurial>=6.8.2",  # Python 3.13 support
+    "mercurial>=6.8.2 ; python_version<'3.14'",  # Python 3.13 support
+    "mercurial>=7.2rc0 ; python_version>='3.14'",  # Python 3.14 support
     "mrcfile",
     "more-itertools",
     "msal",