diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b137b4a..24f91c66 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,11 @@ Instructions: Add a subsection under `[Unreleased]` for additions, fixes, change
 
 ## [Unreleased]
 
+### Fixed
+
+- Bug preventing OPL WeBWorK problems from loading inside Runestone.
+
+
 ## [2.30.0] - 2025-11-06
 
 Includes updates to core through commit: [6e68559](https://github.com/PreTeXtBook/pretext/commit/6e685595d5967d5d25eae299aab96dde54d89445)
@@ -20,7 +25,6 @@ Includes updates to core through commit: [6e68559](https://github.com/PreTeXtBoo
 - Solution-like elements persist for Runestone assignment page.
 - `worksheet` added to stable schema; `handout` added to dev schema.
 
-
 ### Changed
 
 - When an update is available, report this on every run of pretext.
@@ -32,6 +36,7 @@ Includes updates to core through commit: [6e68559](https://github.com/PreTeXtBoo
 - MathJax svg display in dark mode.
 - Table justification in html.
 
+
 ## [2.29.2] - 2025-09-10
 
 Includes updates to core through commit: [016b805](https://github.com/PreTeXtBook/pretext/commit/016b805e8716fc8d4246027f3e999c566a57442c)
diff --git a/pretext/__init__.py b/pretext/__init__.py
index 24d3e64f..70b2afe9 100644
--- a/pretext/__init__.py
+++ b/pretext/__init__.py
@@ -19,7 +19,7 @@
 VERSION = get_version("pretext", Path(__file__).parent.parent)
 
 
-CORE_COMMIT = "6e685595d5967d5d25eae299aab96dde54d89445"
+CORE_COMMIT = "e406b5c742d50f7b75a78aa5eac75bb285ad35b1"
 
 
 def activate() -> None: