diff --git a/Makefile b/Makefile
index 2a4e603..1d09b84 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ FUSE_CLIENT_BUILD_IMAGE=irods_fuse_client_build
 FUSE_CLIENT_BUILD_DOCKERFILE=deploy/image/irods_fuse_build.dockerfile
 CSI_DRIVER_IMAGE?=cyverse/irods-csi-driver
 CSI_DRIVER_DOCKERFILE=deploy/image/irods_csi_driver_image.dockerfile
-VERSION=v0.4.1
+VERSION=v0.4.2
 GIT_COMMIT?=$(shell git rev-parse HEAD)
 BUILD_DATE?=$(shell date -u +"%Y-%m-%dT%H:%M:%SZ")
 LDFLAGS?="-X ${PKG}/pkg/driver.driverVersion=${VERSION} -X ${PKG}/pkg/driver.gitCommit=${GIT_COMMIT} -X ${PKG}/pkg/driver.buildDate=${BUILD_DATE}"
diff --git a/deploy/image/irods_fuse_build.dockerfile b/deploy/image/irods_fuse_build.dockerfile
index 796b0f1..c0ae42e 100644
--- a/deploy/image/irods_fuse_build.dockerfile
+++ b/deploy/image/irods_fuse_build.dockerfile
@@ -15,7 +15,7 @@ LABEL description="iRODS FUSE Lite Build Image"
 WORKDIR /opt/
 RUN git clone https://github.com/cyverse/irodsfs.git
 WORKDIR /opt/irodsfs
-RUN git checkout tags/v0.3.3
+RUN git checkout tags/v0.3.4
 
 # Build
 RUN make build
\ No newline at end of file
diff --git a/deploy/kubernetes/overlays/stable/kustomization.yaml b/deploy/kubernetes/overlays/stable/kustomization.yaml
index 9dbdb85..ebc310d 100644
--- a/deploy/kubernetes/overlays/stable/kustomization.yaml
+++ b/deploy/kubernetes/overlays/stable/kustomization.yaml
@@ -4,7 +4,7 @@ bases:
 - ../../base
 images:
 - name: cyverse/irods-csi-driver
-  newTag: v0.4.1
+  newTag: v0.4.2
 - name: quay.io/k8scsi/csi-provisioner
   newTag: v1.6.0
 - name: quay.io/k8scsi/livenessprobe
diff --git a/helm/Chart.yaml b/helm/Chart.yaml
index 1a27aba..1facc56 100644
--- a/helm/Chart.yaml
+++ b/helm/Chart.yaml
@@ -1,8 +1,8 @@
 apiVersion: v2
-appVersion: "0.4.1"
+appVersion: "0.4.2"
 name: irods-csi-driver
 description: A Helm chart for iRODS CSI Driver
-version: 0.4.1
+version: 0.4.2
 kubeVersion: ">=1.14.0-0"
 home: https://github.com/cyverse/irods-csi-driver
 sources:
diff --git a/helm/README.md b/helm/README.md
index 81cb5b1..166c1f7 100644
--- a/helm/README.md
+++ b/helm/README.md
@@ -38,7 +38,7 @@ helm install irods-csi-driver -f user_values.yaml --namespace kube-system .
 ```shell script
 helm upgrade irods-csi-driver \
     --install . \
-    --version 0.4.1 \
+    --version 0.4.2 \
     --namespace kube-system \
     -f values.yaml
 ```
diff --git a/helm/values.yaml b/helm/values.yaml
index 7195e88..2e27039 100644
--- a/helm/values.yaml
+++ b/helm/values.yaml
@@ -13,7 +13,7 @@ controllerService:
   irodsPlugin:
     image:
       repository: cyverse/irods-csi-driver
-      tag: v0.4.1
+      tag: v0.4.2
       pullPolicy: IfNotPresent
 
     extraArgs:
@@ -53,7 +53,7 @@ nodeService:
   irodsPlugin:
     image:
       repository: cyverse/irods-csi-driver
-      tag: v0.4.1
+      tag: v0.4.2
       pullPolicy: IfNotPresent
 
     extraArgs:
diff --git a/pkg/driver/irodsfs_config.go b/pkg/driver/irodsfs_config.go
index 956ee1b..b5b9fad 100644
--- a/pkg/driver/irodsfs_config.go
+++ b/pkg/driver/irodsfs_config.go
@@ -19,6 +19,7 @@ type IRODSFSPathMapping struct {
 	IRODSPath      string `yaml:"irods_path" json:"irods_path"`
 	MappingPath    string `yaml:"mapping_path" json:"mapping_path"`
 	ResourceType   string `yaml:"resource_type" json:"resource_type"` // file or dir
+	ReadOnly       bool   `yaml:"read_only" json:"read_only"`
 	CreateDir      bool   `yaml:"create_dir" json:"create_dir"`
 	IgnoreNotExist bool   `yaml:"ignore_not_exist" json:"ignore_not_exist"`
 }