diff --git a/.hash b/.hash
index 0a5ac14..cc0feb8 100644
--- a/.hash
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@@ -8,8 +8,8 @@ year1/fundamentals-of-ai-and-kr/module1,ac34ec0
 year1/fundamentals-of-ai-and-kr/module2,14e408b
 year1/fundamentals-of-ai-and-kr/module3,e66b724
 year1/image-processing-and-computer-vision/module1,6609bde
-year1/image-processing-and-computer-vision/module2,dc7cbab
+year1/image-processing-and-computer-vision/module2,b92997b
 year1/languages-and-algorithms-for-ai/module2,5a8c822
-year1/languages-and-algorithms-for-ai/module3,740b9bd
+year1/languages-and-algorithms-for-ai/module3,b92997b
 year1/machine-learning-and-data-mining,fa4f50d
 year1/statistical-and-mathematical-methods-for-ai,3dc77a4
diff --git a/year1/image-processing-and-computer-vision/module2/ipcv2.pdf b/year1/image-processing-and-computer-vision/module2/ipcv2.pdf
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diff --git a/year1/languages-and-algorithms-for-ai/module3/laai3.pdf b/year1/languages-and-algorithms-for-ai/module3/laai3.pdf
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