diff --git a/LICENSE b/LICENSE
index e580f6d99dbca59917e53a3ef91afb0991bcd0f5..37eeade523725cb9bd806d9a110674c56d7bb80e 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2018 Leiden University Medical Center
+Copyright (c) 2017 Leiden University Medical Center
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/bedtools.wdl b/bedtools.wdl
new file mode 100644
index 0000000000000000000000000000000000000000..acc8132c8c066f248a786e774ef62d146ceff176
--- /dev/null
+++ b/bedtools.wdl
@@ -0,0 +1,58 @@
+version 1.0
+
+# Copyright (c) 2017 Leiden University Medical Center
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+task sort {
+    input {
+        File inputBed
+        Boolean sizeA = false
+        Boolean sizeD = false
+        Boolean chrThenSizeA = false
+        Boolean chrThenSizeD = false
+        Boolean chrThenScoreD = false
+        File? g
+        File? faidx
+        Boolean header = false
+        String outputBed = "output.sorted.bed"
+        String dockerImage = "quay.io/biocontainers/bedtools:2.23.0--hdbcaa40_3"
+    }
+
+    command {
+        set -e
+        mkdir -p $(dirname ~{outputBed})
+        bedtools sort \
+        -i ~{inputBed} \
+        ~{if sizeA then "-sizeA" else ""} \
+        ~{if sizeD then "-sizeD" else ""} \
+        ~{if chrThenSizeD then "-chrThenSizeD" else ""} \
+        > ~{outputBed}
+    }
+
+    output {
+        File bedFile = outputBed
+    }
+
+    runtime {
+        docker: dockerImage
+    }
+
+
+}
\ No newline at end of file
diff --git a/wiseguy.wdl b/wiseguy.wdl
index 5accca5189aabef4189836d385bfafa24b58290c..c5e8b17b8d621d102bcdc7c62f3e33cfd570e879 100644
--- a/wiseguy.wdl
+++ b/wiseguy.wdl
@@ -1,6 +1,6 @@
 version 1.0
 
-# Copyright (c) 2018 Leiden University Medical Center
+# Copyright (c) 2017 Leiden University Medical Center
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal