diff --git a/_servicedata b/_servicedata
index 2ba6f48..798c2ec 100644
--- a/_servicedata
+++ b/_servicedata
@@ -1,4 +1,4 @@
 <servicedata>
 <service name="tar_scm">
                 <param name="url">git://git.kernel.org/pub/scm/utils/b4/b4.git</param>
-              <param name="changesrevision">204416b80fbb5853d87e6a7cfbf35a0a719c4516</param></service></servicedata>
\ No newline at end of file
+              <param name="changesrevision">5c4ec14b2c003031885d44a6249c0c58099672fc</param></service></servicedata>
\ No newline at end of file
diff --git a/b4-0.5.0+git20200528.g204416b80fbb.tar.xz b/b4-0.5.0+git20200528.g204416b80fbb.tar.xz
deleted file mode 100644
index 19babd8..0000000
--- a/b4-0.5.0+git20200528.g204416b80fbb.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d66e875305612c303d87a963c58c8ee1a2a6e2bcb210fb3afad2300bc12ab92e
-size 44884
diff --git a/b4-0.5.0+git20200612.g5c4ec14b.tar.xz b/b4-0.5.0+git20200612.g5c4ec14b.tar.xz
new file mode 100644
index 0000000..731ddb3
--- /dev/null
+++ b/b4-0.5.0+git20200612.g5c4ec14b.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1aee52262e35f384856a34e0b9addef50fa55833540f5837c4ec73a048eb1c78
+size 45008
diff --git a/b4.changes b/b4.changes
index 5feeb74..dcdd9a8 100644
--- a/b4.changes
+++ b/b4.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Tue Jun 16 06:23:16 UTC 2020 - jslaby@suse.com
+
+- Update to version 0.5.0+git20200612.g5c4ec14b:
+  * Fix crash with unbalanced [] in subject
+  * Fix regression with oddball charsets
+  * Fix mbox naming inconsistencies
+  * Output less confusing trailer mismatch messages
+  * Fix bug with threading when cover ref is missing
+  * Fix body part parsing when '---' is not used
+  * Use proper charset when reading back mailinfo
+
 -------------------------------------------------------------------
 Mon Jun 08 10:57:26 UTC 2020 - jslaby@suse.com
 
diff --git a/b4.spec b/b4.spec
index 241a437..90d7bbb 100644
--- a/b4.spec
+++ b/b4.spec
@@ -17,9 +17,9 @@
 
 
 %define skip_python2 1
-%define version_unconverted 0.5.0+git20200528.g204416b80fbb
+%define version_unconverted 0.5.0+git20200612.g5c4ec14b
 Name:           b4
-Version:        0.5.0+git20200528.g204416b80fbb
+Version:        0.5.0+git20200612.g5c4ec14b
 Release:        0
 Summary:        Helper scripts for kernel.org patches
 License:        GPL-2.0-or-later
@@ -41,6 +41,9 @@ precursor to Lore and Data in the Star Trek universe.
 %prep
 %autosetup -p1
 
+# ditch shebang from .py files, they are non-executables anyway
+sed -i.old '1{/#!.*/d}' b4/*.py
+
 %build
 %python_build