diff --git a/Dockerfile.dapper b/Dockerfile.dapper
index fb9fbd8..347bd08 100644
--- a/Dockerfile.dapper
+++ b/Dockerfile.dapper
@@ -1,9 +1,10 @@
-FROM registry.suse.com/bci/golang:1.22
+FROM registry.suse.com/bci/golang:1.23
 
 ARG DAPPER_HOST_ARCH=amd64
 ARG http_proxy
 ARG https_proxy
 ENV HOST_ARCH=${DAPPER_HOST_ARCH} ARCH=${DAPPER_HOST_ARCH}
+ENV GOLANGCI_LINT_VERSION="v1.60.3"
 
 RUN zypper -n addrepo --refresh https://download.opensuse.org/repositories/Base:System/openSUSE_Factory/Base:System.repo && \
     zypper --gpg-auto-import-keys ref
@@ -14,7 +15,7 @@ RUN zypper -n install glibc glibc-static gcc ca-certificates git wget curl vim l
 ENV GOLANG_ARCH_amd64=amd64 GOLANG_ARCH_arm64=arm64 GOLANG_ARCH=GOLANG_ARCH_${ARCH} \
     GOPATH=/go PATH=/go/bin:/usr/local/go/bin:${PATH} SHELL=/bin/bash
 
-RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.55.2
+RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin ${GOLANGCI_LINT_VERSION}
 
 ENV DAPPER_SOURCE /go/src/github.com/longhorn/sparse-tools
 ENV DAPPER_OUTPUT ./bin coverage.out
diff --git a/sparse/file.go b/sparse/file.go
index 187f13a..17624bd 100644
--- a/sparse/file.go
+++ b/sparse/file.go
@@ -347,7 +347,7 @@ func GetFiemapRegionExts(file FileIoProcessor, interval Interval, extCount int)
 	_, exts, errno := file.GetFieMap().FiemapRegion(uint32(extCount), uint64(interval.Begin), uint64(interval.End-interval.Begin))
 	if errno != 0 {
 		log.Error("Failed to call fiemap.Fiemap(extCount)")
-		return exts, fmt.Errorf(errno.Error())
+		return exts, fmt.Errorf("%v", errno)
 	}
 
 	log.Tracef("Retrieved %v/%v extents from file %v, interval %+v, elapsed %.2fs",
diff --git a/sparse/sfold.go b/sparse/sfold.go
index cfdfe80..480e59d 100644
--- a/sparse/sfold.go
+++ b/sparse/sfold.go
@@ -64,7 +64,7 @@ func coalesce(parentFileIo, childFileIo FileIoProcessor, fileSize int64, ops Fil
 
 	defer func() {
 		if err != nil {
-			log.Errorf(err.Error())
+			log.Errorf("%v", err)
 			updateProgress(progress, atomic.LoadUint32(progress), true, err, progressMutex, ops)
 		} else {
 			updateProgress(progress, progressComplete, true, nil, progressMutex, ops)
diff --git a/sparse/sprune.go b/sparse/sprune.go
index 773d0af..3940b51 100644
--- a/sparse/sprune.go
+++ b/sparse/sprune.go
@@ -60,7 +60,7 @@ func prune(parentFileIo, childFileIo FileIoProcessor, fileSize int64, ops FileHa
 
 	defer func() {
 		if err != nil {
-			log.Errorf(err.Error())
+			log.Errorf("%v", err)
 			updateProgress(progress, atomic.LoadUint32(progress), true, err, progressMutex, ops)
 		} else {
 			updateProgress(progress, progressComplete, true, nil, progressMutex, ops)