diff --git a/debian/changelog b/debian/changelog
index 9bdcfee..9bec5ea 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,13 @@
+lwjgl (2.9.3+dfsg-6) UNRELEASED; urgency=low
+
+  * Trim trailing whitespace.
+  * Use correct machine-readable copyright file URI.
+  * Bump debhelper from old 11 to 12.
+  * Set debhelper-compat version in Build-Depends.
+  * Update standards version to 4.5.0, no changes needed.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Fri, 05 Jun 2020 23:56:00 -0000
+
 lwjgl (2.9.3+dfsg-5) unstable; urgency=medium
 
   * Team upload.
diff --git a/debian/compat b/debian/compat
deleted file mode 100644
index b4de394..0000000
--- a/debian/compat
+++ /dev/null
@@ -1 +0,0 @@
-11
diff --git a/debian/control b/debian/control
index 82395f9..ea46534 100644
--- a/debian/control
+++ b/debian/control
@@ -8,7 +8,7 @@ Uploaders:
 Build-Depends:
  ant,
  ant-optional,
- debhelper (>= 11),
+ debhelper-compat (= 12),
  default-jdk,
  default-jdk-doc,
  javahelper,
@@ -17,7 +17,7 @@ Build-Depends:
  libxrandr-dev,
  libxt-dev,
  libxxf86vm-dev
-Standards-Version: 4.3.0
+Standards-Version: 4.5.0
 Vcs-Git: https://salsa.debian.org/java-team/lwjgl.git
 Vcs-Browser: https://salsa.debian.org/java-team/lwjgl
 Homepage: https://www.lwjgl.org
diff --git a/debian/copyright b/debian/copyright
index 8413165..2b4c758 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,4 +1,4 @@
-Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: lwjgl - Lightweight Java Game Library
 Upstream-Contact: LWJGL developers <info@lwjgl.org>
 Files-Excluded: *.class
diff --git a/debian/rules b/debian/rules
index d8f5ba3..fc49597 100755
--- a/debian/rules
+++ b/debian/rules
@@ -22,4 +22,3 @@ override_dh_auto_clean:
 override_dh_shlibdeps:
 	#workaround for "couldn't find libjawt.so"
 	LD_LIBRARY_PATH="/usr/lib/jvm/default-java/lib:$(LD_LIBRARY_PATH)" dh_shlibdeps
-