diff --git a/.hash b/.hash
index eac1793..b2c8bb7 100644
--- a/.hash
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@@ -4,4 +4,4 @@ fundamentals-of-ai-and-kr/module2,b60d21d
 fundamentals-of-ai-and-kr/module3,0d20851
 languages-and-algorithms-for-ai/module2,e5659dd
 machine-learning-and-data-mining,dafa14c
-statistical-and-mathematical-methods-for-ai,2720385
+statistical-and-mathematical-methods-for-ai,fd12fca
diff --git a/statistical-and-mathematical-methods-for-ai/main.pdf b/statistical-and-mathematical-methods-for-ai/main.pdf
index 5450946..24080fc 100644
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