diff --git a/umi-tools.wdl b/umi-tools.wdl
index 5e08e14d49fb188936e9cecc98e2dcd29daa2f38..1a7db327a56491e6bacbec57d0a5136c28b7478d 100644
--- a/umi-tools.wdl
+++ b/umi-tools.wdl
@@ -89,7 +89,7 @@ task Dedup {
         String memory = "25G"
         Int timeMinutes = 30 + ceil(size(inputBam, "G") * 30)
         # Use a multi-package-container which includes umi_tools (0.5.5) and samtools (1.9).
-        String dockerImage = "quay.io/biocontainers/mulled-v2-509311a44630c01d9cb7d2ac5727725f51ea43af:6089936aca6219b5bb5f54210ac5eb456c7503f2-0"
+        String dockerImage = "quay.io/biocontainers/umi_tools:1.1.1--py38h0213d0e_1"
     }
 
     String outputBamIndex = sub(outputBamPath, "\.bam$", ".bai")