diff --git a/CHANGELOG.md b/CHANGELOG.md
index 951921723..c589534d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@ Thank you to everyone else that has contributed by reporting bugs, enhancements
 - [PR #1051](https://github.com/nf-core/rnaseq/pull/1051) - Remove `public_aws_ecr` profile
 - [PR #1054](https://github.com/nf-core/rnaseq/pull/1054) - Template update to nf-core/tools v2.9
 - [PR #1058](https://github.com/nf-core/rnaseq/pull/1058) - Use `nf-validation` plugin for parameter and samplesheet validation
+- [PR #1068](https://github.com/nf-core/rnaseq/pull/1068) - Update `grep` version for `untar` module
 
 ## [[3.12.0](https://github.com/nf-core/rnaseq/releases/tag/3.12.0)] - 2023-06-02
 
diff --git a/modules.json b/modules.json
index 030893337..3bfa5aaea 100644
--- a/modules.json
+++ b/modules.json
@@ -221,7 +221,7 @@
                     },
                     "untar": {
                         "branch": "master",
-                        "git_sha": "5c460c5a4736974abde2843294f35307ee2b0e5e",
+                        "git_sha": "d0b4fc03af52a1cc8c6fb4493b921b57352b1dd8",
                         "installed_by": ["modules"]
                     }
                 }
diff --git a/modules/nf-core/untar/main.nf b/modules/nf-core/untar/main.nf
index 8cd1856c7..61461c391 100644
--- a/modules/nf-core/untar/main.nf
+++ b/modules/nf-core/untar/main.nf
@@ -2,7 +2,7 @@ process UNTAR {
     tag "$archive"
     label 'process_single'
 
-    conda "conda-forge::sed=4.7 bioconda::grep=3.4 conda-forge::tar=1.34"
+    conda "conda-forge::sed=4.7 conda-forge::grep=3.11 conda-forge::tar=1.34"
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
         'https://depot.galaxyproject.org/singularity/ubuntu:20.04' :
         'nf-core/ubuntu:20.04' }"