diff --git a/build/SD-1.1.1.zip.sha b/build/SD-1.1.1.zip.sha
new file mode 100644
index 000000000..cb0e1e6e1
--- /dev/null
+++ b/build/SD-1.1.1.zip.sha
@@ -0,0 +1 @@
+fffba57afd890a8a9efca7ac8b6bd8ed3c2dd25a
diff --git a/build/build.xml b/build/build.xml
index c62ca9c8c..1dce9ad14 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -236,7 +236,7 @@
-
+
diff --git a/build/shared/revisions.txt b/build/shared/revisions.txt
index 2900b31df..4ab810245 100644
--- a/build/shared/revisions.txt
+++ b/build/shared/revisions.txt
@@ -4,6 +4,9 @@ ARDUINO 1.8.1
* Fixed font rendering not anti-aliased on Windows (regression)
* Increased number of colors on serial plotter to 8, thanks @cousteaulecommandant
+[libraries]
+* Fixed regression in SD library. Thanks @greiman
+
ARDUINO 1.8.0 - 2016.12.20
[ide]