diff --git a/.gitignore b/.gitignore
index 910dff2..18f20a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,9 +9,3 @@
 /uharfbuzz-0.51.3-filtered.tar.gz
 /uharfbuzz-0.51.4-filtered.tar.gz
 /uharfbuzz-0.51.5-filtered.tar.gz
-/uharfbuzz-0.51.6-filtered.tar.gz
-/uharfbuzz-0.51.7-filtered.tar.gz
-/uharfbuzz-0.52.0-filtered.tar.gz
-/uharfbuzz-0.53.0-filtered.tar.gz
-/uharfbuzz-0.53.1-filtered.tar.gz
-/uharfbuzz-0.53.2-filtered.tar.gz
diff --git a/python-uharfbuzz.spec b/python-uharfbuzz.spec
index 5682a9e..d017a64 100644
--- a/python-uharfbuzz.spec
+++ b/python-uharfbuzz.spec
@@ -1,5 +1,5 @@
 Name:           python-uharfbuzz
-Version:        0.53.2
+Version:        0.51.5
 Release:        %autorelease
 Summary:        Streamlined Cython bindings for the harfbuzz shaping engine
 
diff --git a/sources b/sources
index 1913757..37448d9 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (uharfbuzz-0.53.2-filtered.tar.gz) = adc87172df16724cf3f4408b35c5750cc295cb243f921dbb9ec5ece5058f161167ce79cbcaf09111dab0606ca8a9cdf5fe4584808cef4fc2052246dbb88f84b7
+SHA512 (uharfbuzz-0.51.5-filtered.tar.gz) = 92a86812f096e9452f5487570c297314f2d0475341b3dbb36114814ffce760c1101a102354434530eff4d9115dbbba7f2b6e88885a0683bd3492ab9880a0fdde