diff --git a/.github/workflows/collab.yml b/.github/workflows/collab.yml
index e2bf1c77f..7b46e750b 100644
--- a/.github/workflows/collab.yml
+++ b/.github/workflows/collab.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Install Build Software & LaTeX
         shell: bash -l {0}
         run: |
-          pip install jupyter-book==1.0.3 quantecon-book-theme==0.8.2 sphinx-tojupyter==0.3.0 sphinxext-rediraffe==0.2.7 sphinxcontrib-youtube==1.3.0 sphinx-togglebutton==0.3.2 arviz sphinx-proof sphinx-exercise sphinx-reredirects
+          pip install "jupyter-book>=1.0.4post1,<2.0" quantecon-book-theme==0.20.2 sphinx-tojupyter==0.6.0 sphinxext-rediraffe==0.3.0 sphinx-exercise==1.2.1 sphinx-proof==0.4.0 sphinxcontrib-youtube==1.5.0 sphinx-togglebutton==0.4.5 sphinx-reredirects==1.1.0 arviz
           apt-get update
           apt-get install dvipng texlive texlive-latex-extra texlive-fonts-recommended cm-super    
       - name: Check nvidia drivers