diff --git a/checksums/oauth2-2.0.20.gem.sha256 b/checksums/oauth2-2.0.20.gem.sha256
new file mode 100644
index 00000000..301839ff
--- /dev/null
+++ b/checksums/oauth2-2.0.20.gem.sha256
@@ -0,0 +1 @@
+790c6316346da12f9dcaf27a67530f802950af05d35c3874918da84f2deae674
\ No newline at end of file
diff --git a/checksums/oauth2-2.0.20.gem.sha512 b/checksums/oauth2-2.0.20.gem.sha512
new file mode 100644
index 00000000..5b138664
--- /dev/null
+++ b/checksums/oauth2-2.0.20.gem.sha512
@@ -0,0 +1 @@
+4686288fbbd01ce67d75a470237faf5a66bb5af455ae915c956af1b344fe4d4de743ff839824ef3964dc1b6d8c709ce2bc94916c3ec516ab1afb494522cb5598
\ No newline at end of file