diff --git a/.gitignore b/.gitignore
index 217c767..bf68fb6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -65,3 +65,5 @@ SOURCES/thunderbird-symbolic.svg
 /thunderbird-langpacks-115.13.0-20240708.tar.xz
 /thunderbird-langpacks-115.13.0-20240710.tar.xz
 /thunderbird-115.13.0.b3.processed-source.tar.xz
+/thunderbird-115.13.0.b5.processed-source.tar.xz
+/thunderbird-langpacks-115.13.0-20240716.tar.xz
diff --git a/sources b/sources
index 1b84906..cb5a723 100644
--- a/sources
+++ b/sources
@@ -2,5 +2,5 @@ SHA512 (cbindgen-vendor.tar.xz) = 161811f4adfc74e5d92871c78139704d32e1e1ad6b615c
 SHA512 (nspr-4.35.0-1.el8_1.src.rpm) = 5123a443fcc42602e31104999be339ae899eb7b1f1e2f1ea87ba4f283eb894d08ab568e421dba1df4770f23be91ff88aa6a0748bce7feef31ed88bee5bdecb2c
 SHA512 (nss-3.90.0-2.el8_1.src.rpm) = 850cd6a343e62d34ad28ac356db03371f0b1f018274901cc700cc4f8138c9929eb159bbb1ebe167f727a69f6499423a54581ca65ed655ee468f1cae8450df85c
 SHA512 (nss-3.90.0-3.el9_0.src.rpm) = f321b9c1bda0b09eee564e2903023435851a4ff2e55bdd5b03012ca51be7999b18d85061f874065d0b25913721eb574f49746a3111f8f1cdd5b21268dddd8367
-SHA512 (thunderbird-langpacks-115.13.0-20240710.tar.xz) = 410abb0a6e7d2b46f7e6190993ce34aa589e36268a1bc15ae2f12b69380b82e5127121fe03de0b9f7d7672d8bf14a9d9ea7054373c6e81e3ee252f0076d05128
-SHA512 (thunderbird-115.13.0.b3.processed-source.tar.xz) = 155c0ec80ec851c5fd83e1930ceadb6ad55e803c8154b08f00f78cefa6dae944df355dbc6902706344166b7ed1e28d43d7ca2995c552604bfb82ccff301d189e
+SHA512 (thunderbird-115.13.0.b5.processed-source.tar.xz) = b8d241d0eaf3f35e5972f38af8741343fc08ad80b1a93a0dfa833d5eaa3f9f7f85828c4bf68e5d40624c9c0c7b2623a981ede84862c349cc35ebc9b1bdca9148
+SHA512 (thunderbird-langpacks-115.13.0-20240716.tar.xz) = f8b27c10286fd5936ea2d6178ba5a5d13e67150ccb6c1dac1254ab1a88dff8538353627ad7a6195fc02789e5f8c889cccbd795f95d20fe4169bbfa58555b4976
diff --git a/thunderbird.spec b/thunderbird.spec
index f388895..4c1fa82 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -124,7 +124,7 @@ end}
 # If set to .b2 or .b3 ... the processed source file needs to be renamed before upload, e.g.
 # thunderbird-102.8.0.b2.processed-source.tar.xz
 # When unset use processed source file name as is.
-%global buildnum .b3
+%global buildnum .b5
 
 %bcond_without langpacks
 
@@ -135,7 +135,7 @@ end}
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
 Version:        115.13.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 
@@ -165,7 +165,7 @@ ExcludeArch:    aarch64 s390 ppc ppc64
 #Source0:        https://archive.mozilla.org/pub/thunderbird/releases/%%{version}%%{?pre_version}/source/thunderbird-%%{version}%%{?pre_version}.processed-source.tar.xz
 Source0:        thunderbird-%{version}%{?pre_version}%{?buildnum}.processed-source.tar.xz
 %if %{with langpacks}
-Source1:        thunderbird-langpacks-%{version}-20240710.tar.xz
+Source1:        thunderbird-langpacks-%{version}-20240716.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -1515,6 +1515,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Tue Jul 16 2024 Eike Rathke <erack@redhat.com> - 115.13.0-3
+- Update to 115.13.0 build5
+
 * Wed Jul 10 2024 Tomas Popela <tpopela@redhat.com> - 115.13.0-2
 - Update to 115.13.0 build3