diff --git a/.gitignore b/.gitignore
index 94c24c3..62241d0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,3 +52,4 @@
 /shenandoah-jdk11-shenandoah-jdk-11.0.8+1-4curve.tar.xz
 /shenandoah-jdk11-shenandoah-jdk-11.0.8+2-4curve.tar.xz
 /shenandoah-jdk11-shenandoah-jdk-11.0.8+3-4curve.tar.xz
+/shenandoah-jdk11-shenandoah-jdk-11.0.8+4-4curve.tar.xz
diff --git a/java-11-openjdk.spec b/java-11-openjdk.spec
index 3ce8454..ba7fd7c 100644
--- a/java-11-openjdk.spec
+++ b/java-11-openjdk.spec
@@ -225,8 +225,8 @@
 %global origin_nice     OpenJDK
 %global top_level_dir_name   %{origin}
 %global minorver        0
-%global buildver        3
-%global rpmrelease      1
+%global buildver        4
+%global rpmrelease      0
 #%%global tagsuffix      ""
 # priority must be 8 digits in total; untill openjdk 1.8 we were using 18..... so when moving to 11 we had to add another digit
 %if %is_system_jdk
@@ -879,7 +879,9 @@ Requires: ca-certificates
 # Require javapackages-filesystem for ownership of /usr/lib/jvm/ and macros
 Requires: javapackages-filesystem
 # Require zone-info data provided by tzdata-java sub-package
-Requires: tzdata-java >= 2015d
+# 2020a required as of JDK-8243541 in 11.0.8+4
+Requires: tzdata-java >= 2020a
+# for support of kernel stream control
 # libsctp.so.1 is being `dlopen`ed on demand
 Requires: lksctp-tools%{?_isa}
 # tool to copy jdk's configs - should be Recommends only, but then only dnf/yum enforce it,
@@ -1141,7 +1143,8 @@ BuildRequires: java-%{buildjdkver}-openjdk-devel
 %ifnarch %{jit_arches}
 BuildRequires: libffi-devel
 %endif
-BuildRequires: tzdata-java >= 2015d
+# 2020a required as of JDK-8243541 in 11.0.8+4
+BuildRequires: tzdata-java >= 2020a
 # Earlier versions have a bug in tree vectorization on PPC
 BuildRequires: gcc >= 4.8.3-8
 
@@ -1908,6 +1911,10 @@ require "copy_jdk_configs.lua"
 
 
 %changelog
+* Mon May 25 2020 Andrew Hughes <gnu.andrew@redhat.com> - 1:11.0.8.4-0.0.ea
+- Update to shenandoah-jdk-11.0.8+4 (EA)
+- Require tzdata 2020a due to resource changes in JDK-8243541
+
 * Fri May 22 2020 Severin Gehwolf <sgehwolf@redhat.com> - 1:11.0.8.3-0.1.ea
 - Build static-libs-image and add resulting files via -static-libs
   sub-package.
diff --git a/sources b/sources
index 5dd24d1..59d5ddd 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
 SHA512 (tapsets-icedtea-3.15.0.tar.xz) = c752a197cb3d812d50c35e11e4722772be40096c81d2a57933e0d9b8a3c708b9c157b8108a4e33a06ca7bb81648170994408c75d6f69d5ff12785d0c31009671
-SHA512 (shenandoah-jdk11-shenandoah-jdk-11.0.8+3-4curve.tar.xz) = 13e8d3286b218747ffa1977a3584bc1970437069e5e8855d01b97711ab9566271e141f3314ccaab78610c68fb298c3f88b4ca13e0736cba1ab98189f5a66035b
+SHA512 (shenandoah-jdk11-shenandoah-jdk-11.0.8+4-4curve.tar.xz) = 70bfcf450f4e3caf8bd156e4cf4669868a9f3ce71900e4746e601057fd736c7b8621de3e383b1c10e30e5d1bd0b7493ef37d4a7a0b91e1dce7fd14ccab6f8f18