diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 734d985bda7b57a590be1f60487f2220a45f8c71..0f0db1a211d8626b14bb0d38fa65e12c819d5030 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,13 +37,13 @@ jobs:
 
       - name: Build new docker image
         if: env.MATCHED_FILES
-        run: docker build --no-cache . -t nfcore/hic:dev
+        run: docker build --no-cache . -t nfcore/hic:1.3.0
 
       - name: Pull docker image
         if: ${{ !env.MATCHED_FILES }}
         run: |
           docker pull nfcore/hic:dev
-          docker tag nfcore/hic:dev nfcore/hic:dev
+          docker tag nfcore/hic:dev nfcore/hic:1.3.0
 
       - name: Install Nextflow
         env:
@@ -54,4 +54,4 @@ jobs:
 
       - name: Run pipeline with test data
         run: |
-          nextflow run ${GITHUB_WORKSPACE} -profile test,docker
+          nextflow run ${GITHUB_WORKSPACE} -profile test,docker
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cbc5699280ee52cb6fdaba41e6587b219f840a62..5f781faafaab20204a3f66205e3366456e916514 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,11 +3,12 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## v1.3.0dev
+## v1.3.0 - 2021-13-05
 
 * Fix bug in stats export
 * Change the /tmp/ folder by ./tmp/ folder so that all tmp files are now in the work (#24)
 * Add `--hicpro_maps` options to generate the raw and normalized HiC-Pro maps. The default is now to use cooler
+* Add chromosome compartments calling with cooltools (#53)
 * Add HiCExplorer distance decay quality control (#54)
 * Add HiCExplorer TADs calling (#55)
 * Add insulation score TADs calling (#55)
diff --git a/Dockerfile b/Dockerfile
index 18af828827fec11b7c15b7278c9b4591b8bc00dc..8490e29545a1aa84b13fecc14bdf5c18d1e2d5d8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,11 +10,11 @@ COPY environment.yml /
 RUN conda env create --quiet -f /environment.yml && conda clean -a
 
 # Add conda installation dir to PATH (instead of doing 'conda activate')
-ENV PATH /opt/conda/envs/nf-core-hic-1.3.0dev/bin:$PATH
+ENV PATH /opt/conda/envs/nf-core-hic-1.3.0/bin:$PATH
 
 # Dump the details of the installed packages to a file for posterity
-RUN conda env export --name nf-core-hic-1.3.0dev > nf-core-hic-1.3.0dev.yml
+RUN conda env export --name nf-core-hic-1.3.0 > nf-core-hic-1.3.0.yml
 
 # Instruct R processes to use these empty files instead of clashing with a local version
 RUN touch .Rprofile
-RUN touch .Renviron
+RUN touch .Renviron
\ No newline at end of file
diff --git a/docs/output.md b/docs/output.md
index d73bce332fae54e6248816828b963d38b24f5eac..8b3fd0a40579b5ee19f107acdf6f531a8d98702f 100644
--- a/docs/output.md
+++ b/docs/output.md
@@ -18,7 +18,7 @@ and processes data using the following steps:
 * [Hi-C contact maps](#hic-contact-maps)
 * [Downstream analysis](#downstream-analysis)
   * [Distance decay](#distance-decay)
-  * [Compartments calling](#compartments calling)
+  * [Compartments calling](#compartments-calling)
   * [TADs calling](#tads-calling)
 * [MultiQC](#multiqc) - aggregate report and quality controls, describing
 results of the whole pipeline
diff --git a/environment.yml b/environment.yml
index 85def0f721d3b200671fe2cc00c383dc5b226b54..9d357598b764a0dbf9adbeccd3fe6767828fa844 100644
--- a/environment.yml
+++ b/environment.yml
@@ -1,6 +1,6 @@
 # You can use this file to create a conda environment for this pipeline:
 #   conda env create -f environment.yml
-name: nf-core-hic-1.3.0dev
+name: nf-core-hic-1.3.0
 channels:
   - conda-forge
   - bioconda
@@ -28,4 +28,4 @@ dependencies:
   - conda-forge::cython=0.29.19
   - pip:
     - cooltools==0.4.0
-    - fanc==0.8.30
+    - fanc==0.8.30
\ No newline at end of file
diff --git a/nextflow.config b/nextflow.config
index c9fbf5424ba1b4f0ca5d00d54e388d134e390d9e..7296cc2af450343641614486f3cc232b25c71243 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -117,7 +117,7 @@ params {
 
 // Container slug. Stable releases should specify release tag!
 // Developmental code should specify :dev
-process.container = 'nfcore/hic:dev'
+process.container = 'nfcore/hic:1.3.0'
 
 // Load base.config by default for all pipelines
 includeConfig 'conf/base.config'
@@ -225,7 +225,7 @@ manifest {
   description = 'Analysis of Chromosome Conformation Capture data (Hi-C)'
   mainScript = 'main.nf'
   nextflowVersion = '>=20.04.0'
-  version = '1.3.0dev'
+  version = '1.3.0'
 }
 
 // Function to ensure that resource requirements don't go beyond
@@ -259,4 +259,4 @@ def check_max(obj, type) {
       return obj
     }
   }
-}
+}
\ No newline at end of file