diff -Nru cod-tools-2.10+dfsg/debian/changelog cod-tools-2.10+dfsg/debian/changelog
--- cod-tools-2.10+dfsg/debian/changelog	2020-02-26 07:20:12.000000000 +0000
+++ cod-tools-2.10+dfsg/debian/changelog	2020-05-13 07:20:13.000000000 +0000
@@ -1,3 +1,9 @@
+cod-tools (2.10+dfsg-2) unstable; urgency=medium
+
+  * Replacing calls to 'babel' with 'obabel'.
+
+ -- Andrius Merkys <merkys@debian.org>  Wed, 13 May 2020 03:20:13 -0400
+
 cod-tools (2.10+dfsg-1) unstable; urgency=medium
 
   * New upstream version 2.10+dfsg
diff -Nru cod-tools-2.10+dfsg/debian/patches/babel-to-obabel.patch cod-tools-2.10+dfsg/debian/patches/babel-to-obabel.patch
--- cod-tools-2.10+dfsg/debian/patches/babel-to-obabel.patch	1970-01-01 00:00:00.000000000 +0000
+++ cod-tools-2.10+dfsg/debian/patches/babel-to-obabel.patch	2020-05-13 06:02:45.000000000 +0000
@@ -0,0 +1,135 @@
+Description: Substitute 'babel' command with 'obabel', as the former has
+ been removed since Open Babel 3.0.0.
+ The patch corresponds to Subversion revision 7933.
+Author: Andrius Merkys <merkys@debian.org>
+Index: scripts/molcif2sdf
+===================================================================
+diff --git a/scripts/molcif2sdf b/scripts/molcif2sdf
+--- a/scripts/molcif2sdf	(revision 7932)
++++ b/scripts/molcif2sdf	(revision 7933)
+@@ -111,7 +111,7 @@
+ do
+     (
+         cd ${TMP_SPLIT_DIR}
+-        babel ---errorlevel 1 -iCIF $(basename $MOL) -o SDF \
++        obabel ---errorlevel 1 -iCIF $(basename $MOL) -o SDF \
+             | grep -v '^\$\$\$\$'
+     )
+     if [ "${COD_CIF}" != "" ]
+Index: tests/shtests/codcif2sdf_001.chk
+===================================================================
+diff --git a/tests/shtests/codcif2sdf_001.chk b/tests/shtests/codcif2sdf_001.chk
+--- a/tests/shtests/codcif2sdf_001.chk	(revision 7932)
++++ b/tests/shtests/codcif2sdf_001.chk	(revision 7933)
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ 
+-BABEL_VERSION=$( babel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
++BABEL_VERSION=$( obabel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
+ TARGET_VERSION='2.3.0'
+ 
+ if ! [ "$BABEL_VERSION" = "$TARGET_VERSION" ]
+Index: tests/shtests/codcif2sdf_002.chk
+===================================================================
+diff --git a/tests/shtests/codcif2sdf_002.chk b/tests/shtests/codcif2sdf_002.chk
+--- a/tests/shtests/codcif2sdf_002.chk	(revision 7932)
++++ b/tests/shtests/codcif2sdf_002.chk	(revision 7933)
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ 
+-BABEL_VERSION=$( babel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
++BABEL_VERSION=$( obabel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
+ TARGET_VERSION='2.3.0'
+ 
+ if ! [ "$BABEL_VERSION" = "$TARGET_VERSION" ]
+Index: tests/shtests/codcif2sdf_003.chk
+===================================================================
+diff --git a/tests/shtests/codcif2sdf_003.chk b/tests/shtests/codcif2sdf_003.chk
+--- a/tests/shtests/codcif2sdf_003.chk	(revision 7932)
++++ b/tests/shtests/codcif2sdf_003.chk	(revision 7933)
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ 
+-BABEL_VERSION=$( babel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
++BABEL_VERSION=$( obabel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
+ TARGET_VERSION='2.3.2'
+ 
+ if ! [ "$BABEL_VERSION" = "$TARGET_VERSION" ]
+Index: tests/shtests/codcif2sdf_004.chk
+===================================================================
+diff --git a/tests/shtests/codcif2sdf_004.chk b/tests/shtests/codcif2sdf_004.chk
+--- a/tests/shtests/codcif2sdf_004.chk	(revision 7932)
++++ b/tests/shtests/codcif2sdf_004.chk	(revision 7933)
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ 
+-BABEL_VERSION=$( babel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
++BABEL_VERSION=$( obabel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
+ TARGET_VERSION='2.3.2'
+ 
+ if ! [ "$BABEL_VERSION" = "$TARGET_VERSION" ]
+Index: tests/shtests/molcif2sdf_001.chk
+===================================================================
+diff --git a/tests/shtests/molcif2sdf_001.chk b/tests/shtests/molcif2sdf_001.chk
+--- a/tests/shtests/molcif2sdf_001.chk	(revision 7932)
++++ b/tests/shtests/molcif2sdf_001.chk	(revision 7933)
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ 
+-BABEL_VERSION=$( babel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
++BABEL_VERSION=$( obabel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
+ TARGET_VERSION='2.3.0'
+ 
+ if ! [ "$BABEL_VERSION" = "$TARGET_VERSION" ]
+Index: tests/shtests/molcif2sdf_002.chk
+===================================================================
+diff --git a/tests/shtests/molcif2sdf_002.chk b/tests/shtests/molcif2sdf_002.chk
+--- a/tests/shtests/molcif2sdf_002.chk	(revision 7932)
++++ b/tests/shtests/molcif2sdf_002.chk	(revision 7933)
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ 
+-BABEL_VERSION=$( babel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
++BABEL_VERSION=$( obabel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
+ TARGET_VERSION='2.3.0'
+ 
+ if ! [ "$BABEL_VERSION" = "$TARGET_VERSION" ]
+Index: tests/shtests/molcif2sdf_003.chk
+===================================================================
+diff --git a/tests/shtests/molcif2sdf_003.chk b/tests/shtests/molcif2sdf_003.chk
+--- a/tests/shtests/molcif2sdf_003.chk	(revision 7932)
++++ b/tests/shtests/molcif2sdf_003.chk	(revision 7933)
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ 
+-BABEL_VERSION=$( babel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
++BABEL_VERSION=$( obabel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
+ TARGET_VERSION='2.3.2'
+ 
+ if ! [ "$BABEL_VERSION" = "$TARGET_VERSION" ]
+Index: tests/shtests/molcif2sdf_004.chk
+===================================================================
+diff --git a/tests/shtests/molcif2sdf_004.chk b/tests/shtests/molcif2sdf_004.chk
+--- a/tests/shtests/molcif2sdf_004.chk	(revision 7932)
++++ b/tests/shtests/molcif2sdf_004.chk	(revision 7933)
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ 
+-BABEL_VERSION=$( babel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
++BABEL_VERSION=$( obabel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
+ TARGET_VERSION='2.3.2'
+ 
+ if ! [ "$BABEL_VERSION" = "$TARGET_VERSION" ]
+Index: tests/shtests/neighbour_list_from_obmol_001.chk
+===================================================================
+diff --git a/tests/shtests/neighbour_list_from_obmol_001.chk b/tests/shtests/neighbour_list_from_obmol_001.chk
+--- a/tests/shtests/neighbour_list_from_obmol_001.chk	(revision 7932)
++++ b/tests/shtests/neighbour_list_from_obmol_001.chk	(revision 7933)
+@@ -1,6 +1,6 @@
+ #!/bin/sh
+ 
+-BABEL_VERSION=$( babel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
++BABEL_VERSION=$( obabel -V | perl -ne 'm/^Open Babel (\d+[.]\d+[.]\d+)/; print $1' )
+ TARGET_VERSION='2.3.0'
+ 
+ if ! [ "$BABEL_VERSION" = "$TARGET_VERSION" ]
diff -Nru cod-tools-2.10+dfsg/debian/patches/series cod-tools-2.10+dfsg/debian/patches/series
--- cod-tools-2.10+dfsg/debian/patches/series	2020-02-24 14:09:01.000000000 +0000
+++ cod-tools-2.10+dfsg/debian/patches/series	2020-05-13 05:58:17.000000000 +0000
@@ -4,3 +4,4 @@
 disable-test-network-access.diff
 spglib.diff
 build-python3-by-default.diff
+babel-to-obabel.patch