diff --git a/.hash b/.hash
index 3556be8..4df7ba0 100644
--- a/.hash
+++ b/.hash
@@ -1,6 +1,6 @@
 ainotes.cls,813f0b6
 cognition-and-neuroscience,7a710d0
-combinatorial-decision-making-and-optimization,79fd2b6
+combinatorial-decision-making-and-optimization,bf94726
 deep-learning,fae69aa
 fundamentals-of-ai-and-kr/module1,1677e27
 fundamentals-of-ai-and-kr/module2,9622aab
diff --git a/combinatorial-decision-making-and-optimization/cdmo.pdf b/combinatorial-decision-making-and-optimization/cdmo.pdf
index 66edfaf..681b192 100644
Binary files a/combinatorial-decision-making-and-optimization/cdmo.pdf and b/combinatorial-decision-making-and-optimization/cdmo.pdf differ