diff --git a/modules/nf-core/wittyer/Dockerfile b/modules/nf-core/wittyer/Dockerfile
index fae697ab9dc..e8b249b1acd 100644
--- a/modules/nf-core/wittyer/Dockerfile
+++ b/modules/nf-core/wittyer/Dockerfile
@@ -1,11 +1,11 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0@sha256:6df1177e48b55272316d08f19cb383483af82aca5cdc67a76c414bc200847624 as builder
+FROM mcr.microsoft.com/dotnet/sdk:8.0@sha256:8c6beed050a602970c3d275756ed3c19065e42ce6ca0809f5a6fcbf5d36fd305 as builder
 WORKDIR /src
 COPY . /src
 RUN cd Wittyer \
     && dotnet publish -f net6.0 -r linux-x64 -c Release -o /output \
     && chmod +x /output/Wittyer
 
-FROM mcr.microsoft.com/dotnet/runtime:6.0@sha256:437cda84bdce26ce074d88b63abeec567c7226d73e8b911605077468e1d5c8d5
+FROM mcr.microsoft.com/dotnet/runtime:8.0@sha256:39b7ffd4f2fe8522aeef9fa57705ffc6a8123a857458e25403e2c8e39dd40167
 LABEL git_repository=https://git.illumina.com/DASTE/Ilmn.Das.App.Wittyer.git
 WORKDIR /opt/Wittyer
 RUN apt-get -y update && apt-get -y install tabix libunwind8 openssl procps