diff --git a/.gitignore b/.gitignore
index 61a4314..a261d6f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,4 @@
 /urllib3-1.20.tar.gz
 /urllib3-1.21.1.tar.gz
 /urllib3-1.22.tar.gz
+/urllib3-1.23.tar.gz
diff --git a/sources b/sources
index 8488c8b..392513e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (urllib3-1.22.tar.gz) = 1b45a4a64e71847a4fc62b9263235d5b05b62076698fa324454efeb7ad065abd702cc9eadb2d396d9270b07e91e9bad94c52a4b9b115aadccb27f81955e6feab
+SHA512 (urllib3-1.23.tar.gz) = 1d9eccdd2f939a1029fb6e49c45409b3a493f38b5880bba45a6e8a8088c0478190807b1fe7341b22abe363809ef41c5367de831de9618bcc62f34cb9f0cbc7af