diff --git a/.appveyor.yml b/.appveyor.yml
index c2fdd5955..65998b6b1 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -86,10 +86,10 @@ install:
 
   # a3b57fe7f0cfbf84635e3070fc3c896b25ff6c5f is CImg 2.7.2
   # 3efdd8fb35e76873edcb01f9c30af762aeccb97a is CImg 2.7.4
-  # b7d35ed7dd03ff1ac58be4c10b365035454f3771 is CImg 2.8.1
+  # 530715cfe254d325cf8cec345210d9935fe4cf50 is CImg 2.8.1
   - git submodule -q update --init --recursive
-  - curl -L -s -S -o CImg/CImg.h https://raw.githubusercontent.com/dtschump/CImg/b7d35ed7dd03ff1ac58be4c10b365035454f3771/CImg.h
-  - curl -L -s -S -o CImg/Inpaint/inpaint.h https://raw.githubusercontent.com/dtschump/CImg/b7d35ed7dd03ff1ac58be4c10b365035454f3771/plugins/inpaint.h
+  - curl -L -s -S -o CImg/CImg.h https://raw.githubusercontent.com/dtschump/CImg/530715cfe254d325cf8cec345210d9935fe4cf50/CImg.h
+  - curl -L -s -S -o CImg/Inpaint/inpaint.h https://raw.githubusercontent.com/dtschump/CImg/530715cfe254d325cf8cec345210d9935fe4cf50/plugins/inpaint.h
   - patch -p0 -dCImg < CImg/Inpaint/inpaint.h.patch
 
 #---------------------------------#
diff --git a/CImg/Makefile b/CImg/Makefile
index 130fa284d..594358c67 100644
--- a/CImg/Makefile
+++ b/CImg/Makefile
@@ -156,8 +156,8 @@ endif
 # commit a3b57fe7f0cfbf84635e3070fc3c896b25ff6c5f is CImg 2.7.2
 # commit 3efdd8fb35e76873edcb01f9c30af762aeccb97a is CImg 2.7.4
 # commit 39215451d0b839b4e72d32afb15ea69701a7f4eb is CImg 2.8.0
-# commit b7d35ed7dd03ff1ac58be4c10b365035454f3771 is CImg 2.8.1
-CIMGVERSION=b7d35ed7dd03ff1ac58be4c10b365035454f3771
+# commit 530715cfe254d325cf8cec345210d9935fe4cf50 is CImg 2.8.1
+CIMGVERSION=530715cfe254d325cf8cec345210d9935fe4cf50
 
 CImg.h: Inpaint/inpaint.h
 	curl -L -s -S -o $@ https://raw.githubusercontent.com/dtschump/CImg/$(CIMGVERSION)/CImg.h