diff --git a/debian/changelog b/debian/changelog
index 86fdbf1f33422195722f0a9d86547944a7bf66a0..63d49e94f78fb22dd355dcad8814510d9cef8da0 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,13 @@
+svnkit (1.8.14-4) unstable; urgency=medium
+
+ * Team upload.
+ * Fix FTBFS. (Closes: #952103)
+ * Update Standards-Version to 4.5.0
+ * Use debhelper-compat.
+ - Update compat level to 12.
+
+ -- Sudip Mukherjee <sudipm.mukherjee@gmail.com> Fri, 10 Apr 2020 16:45:46 +0100
+
svnkit (1.8.14-3) unstable; urgency=medium
* Team upload.
diff --git a/debian/compat b/debian/compat
deleted file mode 100644
index b4de3947675361a7770d29b8982c407b0ec6b2a0..0000000000000000000000000000000000000000
--- a/debian/compat
+++ /dev/null
@@ -1 +0,0 @@
-11
diff --git a/debian/control b/debian/control
index e4dd24f56eb0685d1719e30f4e6ff3c8a725183f..4dd677ee0f78e6602f0d832e36aba5bc338c7cad 100644
--- a/debian/control
+++ b/debian/control
@@ -4,7 +4,7 @@ Priority: optional
Maintainer: Debian Java Maintainers <pkg-java-maintainers@lists.alioth.debian.org>
Uploaders: Jakub Adam <jakub.adam@ktknet.cz>
Build-Depends: ant,
- debhelper (>= 11),
+ debhelper-compat (= 12),
default-jdk,
javahelper,
libeclipse-core-runtime-java,
@@ -16,7 +16,7 @@ Build-Depends: ant,
libtrilead-ssh2-java (>= 6401+svn158),
perl,
maven-repo-helper
-Standards-Version: 4.1.4
+Standards-Version: 4.5.0
Vcs-Git: https://salsa.debian.org/java-team/svnkit.git
Vcs-Browser: https://salsa.debian.org/java-team/svnkit
Homepage: http://svnkit.com
diff --git a/debian/patches/fix_abstract.patch b/debian/patches/fix_abstract.patch
new file mode 100644
index 0000000000000000000000000000000000000000..dde25a5ebb38db4b1912ab42a3528276a816e1c5
--- /dev/null
+++ b/debian/patches/fix_abstract.patch
@@ -0,0 +1,36 @@
+Description: Override the abstract method
+
+Author: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
+Bug-Debian: https://bugs.debian.org/952103
+
+---
+
+--- svnkit-1.8.14.orig/svnkit-javahl16/src/main/java/org/apache/subversion/javahl/SVNClient.java
++++ svnkit-1.8.14/svnkit-javahl16/src/main/java/org/apache/subversion/javahl/SVNClient.java
+@@ -263,6 +263,10 @@ public class SVNClient implements ISVNCl
+ delegate.blame(path, pegRevision, revisionStart, revisionEnd, ignoreMimeType, includeMergedRevisions, callback);
+ }
+
++ public void blame(String path, Revision pegRevision, Revision revisionStart, Revision revisionEnd, boolean ignoreMimeType, boolean includeMergedRevisions, DiffOptions options, BlameRangeCallback rangeCallback, BlameLineCallback lineCallback) throws ClientException {
++ delegate.blame(path, pegRevision, revisionStart, revisionEnd, ignoreMimeType, includeMergedRevisions, options, rangeCallback, lineCallback);
++ }
++
+ public void setConfigDirectory(String configDir) throws ClientException {
+ delegate.setConfigDirectory(configDir);
+ }
+--- svnkit-1.8.14.orig/svnkit-javahl16/src/main/java/org/tmatesoft/svn/core/javahl17/SVNClientImpl.java
++++ svnkit-1.8.14/svnkit-javahl16/src/main/java/org/tmatesoft/svn/core/javahl17/SVNClientImpl.java
+@@ -1531,6 +1531,13 @@ public class SVNClientImpl implements IS
+ blame(path, pegRevision, revisionStart, revisionEnd, ignoreMimeType, includeMergedRevisions, callback, null);
+ }
+
++ public void blame(String path, Revision pegRevision,
++ Revision revisionStart, Revision revisionEnd,
++ boolean ignoreMimeType, boolean includeMergedRevisions,
++ DiffOptions options, BlameRangeCallback rangeCallback,
++ BlameLineCallback lineCallback) throws ClientException {
++ }
++
+ public static ClientException getClientException(Throwable e) throws ClientException {
+ ClientException ce = ClientException.fromException(e);
+ ce.initCause(e);
diff --git a/debian/patches/series b/debian/patches/series
index 95ccbaeed379fb2467c421c36fedab2d581ce371..afb949650e9aa434f293dd744391c2c839b34dc4 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1,3 +1,4 @@
fix-logging-path.patch
script-fix-classpath.patch
libsvn-java-1.10.0-1.patch
+fix_abstract.patch