diff --git a/.github/filters.yml b/.github/filters.yml
index 9fe5cdb9..b2f0b04c 100644
--- a/.github/filters.yml
+++ b/.github/filters.yml
@@ -128,6 +128,10 @@ fastqc:
   - software/fastqc/**
   - tests/software/fastqc/**
 
+gatk_createsequencedictionary:
+  - software/gatk/createsequencedictionary/**
+  - tests/software/gatk/createsequencedictionary/**
+
 gffread:
   - software/gffread/**
   - tests/software/gffread/**
diff --git a/software/gatk/createsequencedictionary/functions.nf b/software/gatk/createsequencedictionary/functions.nf
new file mode 100644
index 00000000..d25eea86
--- /dev/null
+++ b/software/gatk/createsequencedictionary/functions.nf
@@ -0,0 +1,59 @@
+/*
+ * -----------------------------------------------------
+ *  Utility functions used in nf-core DSL2 module files
+ * -----------------------------------------------------
+ */
+
+/*
+ * Extract name of software tool from process name using $task.process
+ */
+def getSoftwareName(task_process) {
+    return task_process.tokenize(':')[-1].tokenize('_')[0].toLowerCase()
+}
+
+/*
+ * Function to initialise default values and to generate a Groovy Map of available options for nf-core modules
+ */
+def initOptions(Map args) {
+    def Map options = [:]
+    options.args          = args.args ?: ''
+    options.args2         = args.args2 ?: ''
+    options.publish_by_id = args.publish_by_id ?: false
+    options.publish_dir   = args.publish_dir ?: ''
+    options.publish_files = args.publish_files
+    options.suffix        = args.suffix ?: ''
+    return options
+}
+
+/*
+ * Tidy up and join elements of a list to return a path string
+ */
+def getPathFromList(path_list) {
+    def paths = path_list.findAll { item -> !item?.trim().isEmpty() }  // Remove empty entries
+    paths = paths.collect { it.trim().replaceAll("^[/]+|[/]+\$", "") } // Trim whitespace and trailing slashes
+    return paths.join('/')
+}
+
+/*
+ * Function to save/publish module results
+ */
+def saveFiles(Map args) {
+    if (!args.filename.endsWith('.version.txt')) {
+        def ioptions = initOptions(args.options)
+        def path_list = [ ioptions.publish_dir ?: args.publish_dir ]
+        if (ioptions.publish_by_id) {
+            path_list.add(args.publish_id)
+        }
+        if (ioptions.publish_files instanceof Map) {
+            for (ext in ioptions.publish_files) {
+                if (args.filename.endsWith(ext.key)) {
+                    def ext_list = path_list.collect()
+                    ext_list.add(ext.value)
+                    return "${getPathFromList(ext_list)}/$args.filename"
+                }
+            }
+        } else if (ioptions.publish_files == null) {
+            return "${getPathFromList(path_list)}/$args.filename"
+        }
+    }
+}
diff --git a/software/gatk/createsequencedictionary/main.nf b/software/gatk/createsequencedictionary/main.nf
new file mode 100644
index 00000000..34f04123
--- /dev/null
+++ b/software/gatk/createsequencedictionary/main.nf
@@ -0,0 +1,38 @@
+// Import generic module functions
+include { initOptions; saveFiles; getSoftwareName } from './functions'
+
+params.options = [:]
+def options    = initOptions(params.options)
+
+process GATK_CREATESEQUENCEDICTIONARY {
+    tag "$fasta"
+    label 'process_medium'
+    publishDir "${params.outdir}",
+        mode: params.publish_dir_mode,
+        saveAs: { filename -> saveFiles(filename:filename, options:params.options, publish_dir:getSoftwareName(task.process), publish_id:'') }
+
+    conda (params.enable_conda ? "bioconda::gatk4=4.1.9.0" : null)
+    if (workflow.containerEngine == 'singularity' && !params.singularity_pull_docker_container) {
+        container "https://depot.galaxyproject.org/singularity/gatk4:4.1.9.0--py39_0"
+    } else {
+        container "quay.io/biocontainers/gatk4:4.1.9.0--py39_0"
+    }
+
+    input:
+    path fasta
+
+    output:
+    path "*.dict"        , emit: dict 
+    path "*.version.txt" , emit: version
+
+    script:
+    def software = getSoftwareName(task.process)
+    """
+    gatk --java-options "-Xmx${task.memory.toGiga()}g" \\
+        CreateSequenceDictionary \\
+        --REFERENCE $fasta \\
+        $options.args
+
+    echo \$(gatk CreateSequenceDictionary --version 2>&1) | sed 's/^.*(GATK) v//; s/ HTSJDK.*\$//' > ${software}.version.txt
+    """
+}
diff --git a/software/gatk/createsequencedictionary/meta.yml b/software/gatk/createsequencedictionary/meta.yml
new file mode 100644
index 00000000..b53c90eb
--- /dev/null
+++ b/software/gatk/createsequencedictionary/meta.yml
@@ -0,0 +1,51 @@
+name: gatk_createsequencedictionary
+description: Creates a sequence dictionary for a reference sequence
+keywords:
+    - dictionary
+    - fasta
+tools:
+    - gatk:
+        description: |
+            Developed in the Data Sciences Platform at the Broad Institute, the toolkit offers a wide variety of tools
+            with a primary focus on variant discovery and genotyping. Its powerful processing engine
+            and high-performance computing features make it capable of taking on projects of any size.
+        homepage: https://gatk.broadinstitute.org/hc/en-us
+        documentation: https://gatk.broadinstitute.org/hc/en-us/categories/360002369672s
+        doi: 10.1158/1538-7445.AM2017-3590
+params:
+    - outdir:
+        type: string
+        description: |
+            The pipeline's output directory. By default, the module will
+            output files into `$params.outdir/<SOFTWARE>`
+    - publish_dir_mode:
+        type: string
+        description: |
+            Value for the Nextflow `publishDir` mode parameter.
+            Available: symlink, rellink, link, copy, copyNoFollow, move.
+    - enable_conda:
+        type: boolean
+        description: |
+            Run the module with Conda using the software specified
+            via the `conda` directive
+    - singularity_pull_docker_container:
+        type: boolean
+        description: |
+            Instead of directly downloading Singularity images for use with Singularity,
+            force the workflow to pull and convert Docker containers instead.
+input:
+    - fasta:
+        type: file
+        description: Input fasta file
+        pattern: "*.{fasta,fa}"
+output:
+    - bam:
+        type: file
+        description: gatk dictionary file
+        pattern: "*.{dict}"
+    - version:
+        type: file
+        description: File containing software version
+        pattern: "*.{version.txt}"
+authors:
+    - "@maxulysse"
diff --git a/tests/software/gatk/createsequencedictionary/main.nf b/tests/software/gatk/createsequencedictionary/main.nf
new file mode 100644
index 00000000..cc366b0b
--- /dev/null
+++ b/tests/software/gatk/createsequencedictionary/main.nf
@@ -0,0 +1,9 @@
+#!/usr/bin/env nextflow
+
+nextflow.enable.dsl = 2
+
+include { GATK_CREATESEQUENCEDICTIONARY } from '../../../../software/gatk/createsequencedictionary/main.nf' addParams( options: [:] )
+
+workflow test_gatk_createsequencedictionary {
+    GATK_CREATESEQUENCEDICTIONARY ( file("${launchDir}/tests/data/fasta/E_coli/NC_010473.fa", checkIfExists: true) )
+}
\ No newline at end of file
diff --git a/tests/software/gatk/createsequencedictionary/test.yml b/tests/software/gatk/createsequencedictionary/test.yml
new file mode 100644
index 00000000..4e84a09c
--- /dev/null
+++ b/tests/software/gatk/createsequencedictionary/test.yml
@@ -0,0 +1,8 @@
+- name: gatk createsequencedictionary
+  command: nextflow run ./tests/software/gatk/createsequencedictionary -entry test_gatk_createsequencedictionary -c tests/config/nextflow.config
+  tags:
+    - gatk
+    - gatk_createsequencedictionary
+  files:
+    - path: output/gatk/NC_010473.dict
+      md5sum: 2b5e6b5d82553ddcaf85156ba856a55c