diff --git a/shim.rpmmacros b/shim.rpmmacros
index 94b315b..cbb5850 100644
--- a/shim.rpmmacros
+++ b/shim.rpmmacros
@@ -13,9 +13,10 @@
 %global shimefix64 %{expand:%{SOURCE22}}
 #%%global shimefiarm %%{expand:%%{SOURCE23}
 
-%global shimveraa64 15-4.el8
-%global shimveria32 15-8.el8
-%global shimverx64 15-8.el8
+%global shimveraa64 15-6.el8
+%global shimveria32 15-9.el8
+%global shimverx64 15-9.el8
+
 #%%global shimverarm 15-1.el8
 
 %global shimdiraa64 %{_datadir}/shim/%{shimveraa64}/aa64
diff --git a/shim.spec b/shim.spec
index d512495..1c5d13c 100644
--- a/shim.spec
+++ b/shim.spec
@@ -1,6 +1,6 @@
 Name:		shim
 Version:	15
-Release:	15%{?dist}
+Release:	16%{?dist}
 Summary:	First-stage UEFI bootloader
 License:	BSD
 URL:		https://github.com/rhboot/shim/
@@ -101,6 +101,10 @@ install -m 0700 %{shimefi} $RPM_BUILD_ROOT%{efi_esp_dir}/shim.efi
 %endif
 
 %changelog
+* Mon Sep 21 2020 Javier Martinez Canillas <javierm@redhat.com> - 15-16
+- Fix an incorrect allocation size
+  Resolves: rhbz#1877253
+
 * Fri Jul 31 2020 Peter Jones <pjones@redhat.com> - 15-15
 - Update once again for new signed shim builds.
   Resolves: rhbz#1862232
diff --git a/sources b/sources
index 34fa4a6..a948baf 100644
--- a/sources
+++ b/sources
@@ -1,5 +1,5 @@
 SHA512 (redhatsecureboot501.cer) = eb2c2d342680d4c3453d3e4f30abdd1f6b0e98292e1be0410d0163afd01552a863b70ffaabeecd6e3981cd4d167198091a837c7d70f96a3a06de2d28b3355308
 SHA512 (redhatsecurebootca5.cer) = 0285fd7cb1755b399cdd2d848d9eba51b72ef2dd8ea5d40d7061c29685a12e15bf8eb083cb2f8c14eb69d248cb3af2c2332e06f80e19ed4cc029070198c0d522
 SHA512 (shimaa64.efi) = 0457d3b9cce7bbb85eff9efd78a48f36b61a1ddf7c02cf94e7573487806133ea70d360166f088bd855b3ab09593f3179b8fd83cbf8a9e7e6271bc5a63957a5d7
-SHA512 (shimia32.efi) = 31a6e9debec0e77d6f14c95861694f7aaa48b23314cf36e28cc7dea73aef8749361e3f2e653ab82ac2edca3037cef2111bbf1b747078ebd987966498b9b92eaf
-SHA512 (shimx64.efi) = 89b7c679067665f48b402773250a0fc7e1369bc1a824d8333e02cd0a66b905304e1a5a187b6ad54f72848060f7291cb1d91a2bc6ca7aa8baf063305c21c5d2d0
+SHA512 (shimx64.efi) = e277c4db5e6700f371a6d9f2aa38862fc57620c8f4b2b200bba68023cb513650762dd62c3de81aff675ee2f74ae635d44a66234c1265844262c491bd468823f1
+SHA512 (shimia32.efi) = b3e60c93c2beb249338887ccb7d983ffb2e00329ec5276db874ed5e8af9e6fe10766210f0c9c77492e12864c880d114079cd57e18e49fbda2d7068cc29cf905f