diff --git a/.gitignore b/.gitignore
index 33b3d92..d629921 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,5 @@ testsuite-6.12.3.tar.bz2
 /ghc-8.2.2-testsuite.tar.xz
 /ghc-8.4.4-src.tar.xz
 /ghc-8.6.5-src.tar.xz
+/ghc-8.8.3-src.tar.xz
+/ghc-8.8.3-src.tar.xz.sig
diff --git a/sources b/sources
index 3790399..929e4c9 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
-SHA512 (ghc-8.6.5-src.tar.xz) = c08a7480200cb99e1ffbe4ce7669f552b1054054966f7e7efcbc5f98af8032e1249fa391c4fc4c7d62cc8e0be5d17fa05845177f3cea3dbcf86e6c92d40fc0f9
+SHA512 (ghc-8.8.3-src.tar.xz) = 87e6c991c1b028f82ff5ca99bee6b4b2f4014ab2bb13aa8a3fdf80243c55a06020868ec051a5a554f2f11c4598b7275b17a55b9c4ea17816fcbc3450742e29ed
+SHA512 (ghc-8.8.3-src.tar.xz.sig) = cc906acb89633d6f241228b1f40b4a8d6849ac4f1f3a9414388d0f14a4bd41ed65856d9b9c6212818fbb71d53a30fc64d3b5d0b85ecb3338af2de76e0612ebd4