diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f7744bc2..4052717f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,6 +5,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
+        with:
+          fetch-depth: 0  # Fetch full git history for changelog feature
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index b49bc4de..b462573e 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -10,6 +10,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v5
+        with:
+          fetch-depth: 0  # Fetch full git history for changelog feature
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with:
diff --git a/environment.yml b/environment.yml
index f73ea565..9e4a52dd 100644
--- a/environment.yml
+++ b/environment.yml
@@ -7,7 +7,7 @@ dependencies:
   - pip
   - pip:
     - jupyter-book==1.0.4post1
-    - quantecon-book-theme==0.11.0
+    - quantecon-book-theme==0.12.0
     - sphinx-tojupyter==0.6.0
     - sphinxext-rediraffe==0.2.7
     - sphinx-exercise==1.2.1
diff --git a/lectures/_config.yml b/lectures/_config.yml
index e4a8a23d..430ab306 100644
--- a/lectures/_config.yml
+++ b/lectures/_config.yml
@@ -41,6 +41,7 @@ sphinx:
       header_organisation: QuantEcon
       repository_url: https://github.com/QuantEcon/lecture-python-programming.myst
       nb_repository_url: https://github.com/QuantEcon/lecture-python-programming.notebooks
+      path_to_docs: lectures
       twitter: quantecon
       twitter_logo_url: https://assets.quantecon.org/img/qe-twitter-logo.png
       og_logo_url: https://assets.quantecon.org/img/qe-og-logo.png