diff --git a/.ottdrev-vc b/.ottdrev-vc
index 1a94b21339..ae58ae9da7 100644
--- a/.ottdrev-vc
+++ b/.ottdrev-vc
@@ -1,2 +1,2 @@
-jgrpp-0.30.2	20190411	0	5c1168603d415e120e81cb1916c66f4ec035dc5e	1	0
-3babbf8e43ad4d78719bcb0544e04dfcfc0d93cef90615d1d481a4041d3dad32  -
+jgrpp-0.30.3	20190412	0	601f3aaef48b0fe928d3131bfcf21ec353d2cf63	1	0
+3e1d553acbd3cc1b763202249732445183b9a3526316eaa9b3b3c0b9d7d3deb7  -
diff --git a/README.md b/README.md
index 57c728d632..fe9a6e47bb 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-## JGR's Patchpack version 0.30.2
+## JGR's Patchpack version 0.30.3
 
 This is a collection of patches applied to [OpenTTD](http://www.openttd.org/)
 
diff --git a/jgrpp-changelog.md b/jgrpp-changelog.md
index 1d1956c9de..1573382af1 100644
--- a/jgrpp-changelog.md
+++ b/jgrpp-changelog.md
@@ -2,6 +2,9 @@
 
 * * *
 
+### v0.30.3 (2019-04-12)
+* Fix crashes on Windows/MinGW caused by race condition at thread initialisation due to incorrect template argument deduction.
+
 ### v0.30.2 (2019-04-11)
 * Fix crash and/or non-functionality which could occur when using the bootstrap UI to download the base graphics, or when using the content download window.
 * Fix crash which could occur when displaying the origin station of cargo in the station window.