diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 3c839a4f..1d31c0ad 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -60,7 +60,7 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
       - name: Install Helm-unittest
-        run: helm plugin install https://github.com/quintush/helm-unittest
+        run: helm plugin install https://github.com/helm-unittest/helm-unittest
       - name: CI
         run: make ci
   test:
diff --git a/Dockerfile.dapper b/Dockerfile.dapper
deleted file mode 100644
index 366d5560..00000000
--- a/Dockerfile.dapper
+++ /dev/null
@@ -1,35 +0,0 @@
-FROM registry.suse.com/bci/golang:1.23
-# Add buildx plugin
-COPY --from=docker.io/docker/buildx-bin:0.21.2 /buildx /usr/libexec/docker/cli-plugins/docker-buildx
-
-ARG DAPPER_HOST_ARCH
-ENV ARCH $DAPPER_HOST_ARCH
-
-RUN zypper -n in git-core curl tar gzip docker wget awk hostname && \
-    zypper -n clean -a && \
-    rm -rf /tmp/* /var/tmp/* /usr/share/doc/packages/*
-
-RUN if [ "${ARCH}" == "amd64" ]; then \
-        curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.64.6; \
-    fi
-RUN curl -sL https://get.helm.sh/helm-v3.9.0-linux-${ARCH}.tar.gz | tar xvzf - -C /usr/local/bin --strip-components=1
-RUN if [ "${ARCH}" != "s390x" ]; then \
-        helm plugin install https://github.com/quintush/helm-unittest; \
-    fi
-
-
-ENV DAPPER_ENV REPO TAG DRONE_TAG CROSS CROSS_ARCH USE_DOCKER_BUILDX TARGET_ARCH
-ENV DAPPER_SOURCE /go/src/github.com/rancher/backup-restore-operator/
-ENV DAPPER_OUTPUT ./bin ./dist
-ENV GOCACHE /root/.cache/go-build
-ENV GOPATH /go
-ENV DAPPER_DOCKER_SOCKET true
-ENV DAPPER_RUN_ARGS --privileged
-VOLUME /var/lib/rancher/k3s
-VOLUME /var/lib/cni
-VOLUME /var/log
-ENV HOME ${DAPPER_SOURCE}
-WORKDIR ${DAPPER_SOURCE}
-
-ENTRYPOINT ["./scripts/entry"]
-CMD ["ci"]
diff --git a/tests/go.mod b/tests/go.mod
index 7fb79f9f..b9b377b3 100644
--- a/tests/go.mod
+++ b/tests/go.mod
@@ -2,6 +2,8 @@ module github.com/rancher/backup-restore-operator/tests
 
 go 1.23.0
 
+toolchain go1.23.4
+
 require (
 	github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring v0.80.1
 	github.com/rancher/hull v0.0.0-20230424152137-627ef5347afd