diff --git a/.github/workflows/Makefile b/.github/workflows/Makefile
index 7fe032ca..87f3378d 100644
--- a/.github/workflows/Makefile
+++ b/.github/workflows/Makefile
@@ -1,4 +1,4 @@
-HELM_VERSION ?= v4.2.2
+HELM_VERSION ?= v4.2.4
 KUSTOMIZE_VERSION ?= v5.8.0
 K8S_VERSION ?= v1.34.0
 MINIKUBE_VERSION ?= v1.37.0
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 7a491fc1..03a3356f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        helm-version: [v3.18.6, v3.21.3, v4.2.3]
+        helm-version: [v3.18.6, v3.21.4, v4.2.4]
     steps:
       - uses: actions/checkout@v7
         with:
@@ -67,16 +67,16 @@ jobs:
         env:
           HELMFILE_HELM4: ${{ startsWith(matrix.helm-version, 'v4') && '1' || '0' }}
       - name: Archive built binaries
-        if: matrix.helm-version == 'v4.2.3'
+        if: matrix.helm-version == 'v4.2.4'
         run: tar -cvf built-binaries.tar helmfile diff-yamls dyff
       - uses: actions/upload-artifact@v7
-        if: matrix.helm-version == 'v4.2.3'
+        if: matrix.helm-version == 'v4.2.4'
         with:
           name: built-binaries-${{ github.run_id }}
           path: built-binaries.tar
           retention-days: 1
       - name: Display built binaries
-        if: matrix.helm-version == 'v4.2.3'
+        if: matrix.helm-version == 'v4.2.4'
         run: ls -l helmfile diff-yamls dyff
 
   integration_tests:
@@ -105,23 +105,23 @@ jobs:
             plugin-secrets-version: 4.7.4
             plugin-diff-version: 3.15.11
             extra-helmfile-flags: '--enable-live-output'
-          - helm-version: v3.21.3
+          - helm-version: v3.21.4
             kustomize-version: v5.8.0
             plugin-secrets-version: 4.7.4
             plugin-diff-version: 3.15.11
             extra-helmfile-flags: ''
-          - helm-version: v3.21.3
+          - helm-version: v3.21.4
             kustomize-version: v5.8.0
             plugin-secrets-version: 4.7.4
             plugin-diff-version: 3.15.11
             extra-helmfile-flags: '--enable-live-output'
           # Helmfile now supports both Helm 3.x and Helm 4.x
-          - helm-version: v4.2.3
+          - helm-version: v4.2.4
             kustomize-version: v5.8.0
             plugin-secrets-version: 4.7.4
             plugin-diff-version: 3.15.11
             extra-helmfile-flags: ''
-          - helm-version: v4.2.3
+          - helm-version: v4.2.4
             kustomize-version: v5.8.0
             plugin-secrets-version: 4.7.4
             plugin-diff-version: 3.15.11
diff --git a/Dockerfile b/Dockerfile
index 5b6c9743..41a09892 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,7 +30,7 @@ ENV HELM_CONFIG_HOME="${HELM_CONFIG_HOME}"
 ARG HELM_DATA_HOME="${HOME}/.local/share/helm"
 ENV HELM_DATA_HOME="${HELM_DATA_HOME}"
 
-ARG HELM_VERSION="v4.2.3"
+ARG HELM_VERSION="v4.2.4"
 ENV HELM_VERSION="${HELM_VERSION}"
 ENV HELM_BIN="/usr/local/bin/helm"
 ARG HELM_LOCATION="https://get.helm.sh"
@@ -39,8 +39,8 @@ RUN set -x && \
     curl --retry 5 --retry-connrefused -LO "${HELM_LOCATION}/${HELM_FILENAME}" && \
     echo Verifying ${HELM_FILENAME}... && \
     case ${TARGETPLATFORM} in \
-    "linux/amd64")  HELM_SHA256="e9b88b4ee95b18c706839c28d3a0220e5bc470e9cd9262410c90793c45ff8b7c"  ;; \
-    "linux/arm64")  HELM_SHA256="21abd9354d39b2cd79a8d76be6912cd137a983cbf997193503fb8a6a6e2f2785"  ;; \
+    "linux/amd64")  HELM_SHA256="c306b46f719b0a4da32d0f78ee21bf90ce8d602f15b22ab753f0674d1670a7f3"  ;; \
+    "linux/arm64")  HELM_SHA256="564de2191b881e9f71b5606b25345821ea1682f06ab90499d3ab22b530176da1"  ;; \
     esac && \
     echo "${HELM_SHA256}  ${HELM_FILENAME}" | sha256sum -c && \
     echo Extracting ${HELM_FILENAME}... && \
diff --git a/Dockerfile.debian-stable-slim b/Dockerfile.debian-stable-slim
index 8ec3ccaa..62dae23a 100644
--- a/Dockerfile.debian-stable-slim
+++ b/Dockerfile.debian-stable-slim
@@ -38,7 +38,7 @@ ENV HELM_CONFIG_HOME="${HELM_CONFIG_HOME}"
 ARG HELM_DATA_HOME="${HOME}/.local/share/helm"
 ENV HELM_DATA_HOME="${HELM_DATA_HOME}"
 
-ARG HELM_VERSION="v4.2.3"
+ARG HELM_VERSION="v4.2.4"
 ENV HELM_VERSION="${HELM_VERSION}"
 ENV HELM_BIN="/usr/local/bin/helm"
 ARG HELM_LOCATION="https://get.helm.sh"
@@ -47,8 +47,8 @@ RUN set -x && \
     curl --retry 5 --retry-connrefused -LO "${HELM_LOCATION}/${HELM_FILENAME}" && \
     echo Verifying ${HELM_FILENAME}... && \
     case ${TARGETPLATFORM} in \
-    "linux/amd64")  HELM_SHA256="e9b88b4ee95b18c706839c28d3a0220e5bc470e9cd9262410c90793c45ff8b7c"  ;; \
-    "linux/arm64")  HELM_SHA256="21abd9354d39b2cd79a8d76be6912cd137a983cbf997193503fb8a6a6e2f2785"  ;; \
+    "linux/amd64")  HELM_SHA256="c306b46f719b0a4da32d0f78ee21bf90ce8d602f15b22ab753f0674d1670a7f3"  ;; \
+    "linux/arm64")  HELM_SHA256="564de2191b881e9f71b5606b25345821ea1682f06ab90499d3ab22b530176da1"  ;; \
     esac && \
     echo "${HELM_SHA256}  ${HELM_FILENAME}" | sha256sum -c && \
     echo Extracting ${HELM_FILENAME}... && \
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index b7eba7e2..606e9ab9 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -38,7 +38,7 @@ ENV HELM_CONFIG_HOME="${HELM_CONFIG_HOME}"
 ARG HELM_DATA_HOME="${HOME}/.local/share/helm"
 ENV HELM_DATA_HOME="${HELM_DATA_HOME}"
 
-ARG HELM_VERSION="v4.2.3"
+ARG HELM_VERSION="v4.2.4"
 ENV HELM_VERSION="${HELM_VERSION}"
 ENV HELM_BIN="/usr/local/bin/helm"
 ARG HELM_LOCATION="https://get.helm.sh"
@@ -47,8 +47,8 @@ RUN set -x && \
     curl --retry 5 --retry-connrefused -LO "${HELM_LOCATION}/${HELM_FILENAME}" && \
     echo Verifying ${HELM_FILENAME}... && \
     case ${TARGETPLATFORM} in \
-    "linux/amd64")  HELM_SHA256="e9b88b4ee95b18c706839c28d3a0220e5bc470e9cd9262410c90793c45ff8b7c"  ;; \
-    "linux/arm64")  HELM_SHA256="21abd9354d39b2cd79a8d76be6912cd137a983cbf997193503fb8a6a6e2f2785"  ;; \
+    "linux/amd64")  HELM_SHA256="c306b46f719b0a4da32d0f78ee21bf90ce8d602f15b22ab753f0674d1670a7f3"  ;; \
+    "linux/arm64")  HELM_SHA256="564de2191b881e9f71b5606b25345821ea1682f06ab90499d3ab22b530176da1"  ;; \
     esac && \
     echo "${HELM_SHA256}  ${HELM_FILENAME}" | sha256sum -c && \
     echo Extracting ${HELM_FILENAME}... && \
diff --git a/go.mod b/go.mod
index cfbd853a..4f6b76ec 100644
--- a/go.mod
+++ b/go.mod
@@ -37,8 +37,8 @@ require (
 	golang.org/x/sync v0.22.0
 	golang.org/x/term v0.45.0
 	gopkg.in/yaml.v3 v3.0.1
-	helm.sh/helm/v3 v3.21.3
-	helm.sh/helm/v4 v4.2.3
+	helm.sh/helm/v3 v3.21.4
+	helm.sh/helm/v4 v4.2.4
 	k8s.io/apimachinery v0.36.2
 	k8s.io/client-go v0.36.2
 )
diff --git a/go.sum b/go.sum
index 26259fad..8b069f6f 100644
--- a/go.sum
+++ b/go.sum
@@ -1063,10 +1063,10 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-helm.sh/helm/v3 v3.21.3 h1:wkamdwI3liEkW6wI1l9aGqQZGxcTKyt8kx0qJLPcmCg=
-helm.sh/helm/v3 v3.21.3/go.mod h1:iaJ0iNsPoTZl++7h6vzQFyT0VEVtLYJiyRBDkPOOBTs=
-helm.sh/helm/v4 v4.2.3 h1:JEejtPE04+SvyRomOfgRXVxyJ/lude7eShio30oQr0Y=
-helm.sh/helm/v4 v4.2.3/go.mod h1:azI2XpxowOGXAgzeXcqyfskUmIfILqIcJxiFw1M6PuM=
+helm.sh/helm/v3 v3.21.4 h1:T/GcIEXU/gNjJnkITlIZ3e9xqkZjhFTmISuStTZ6+Qg=
+helm.sh/helm/v3 v3.21.4/go.mod h1:cS2FBb+xfLuaSqvEmbqIeKUVFgHdHVHtVeXb2epof3M=
+helm.sh/helm/v4 v4.2.4 h1:qIysMI0JpTC4WXf3AQ99V6rZGT0+gO0Ww8IOnnUnaZk=
+helm.sh/helm/v4 v4.2.4/go.mod h1:ZP8nFdYe7jG1PTQelKzQXQ7m09/ruhMTrpDAf+OL5ms=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 k8s.io/api v0.35.4 h1:P7nFYKl5vo9AGUp1Z+Pmd3p2tA7bX2wbFWCvDeRv988=
diff --git a/pkg/app/init.go b/pkg/app/init.go
index ec068183..b2b40941 100644
--- a/pkg/app/init.go
+++ b/pkg/app/init.go
@@ -20,7 +20,7 @@ import (
 const (
 	HelmRequiredVersion            = "v3.18.6" // Minimum required version (supports Helm 3.x and 4.x)
 	HelmDiffRecommendedVersion     = "v3.15.11"
-	HelmRecommendedVersion         = "v4.2.3" // Recommended Helm 4 version
+	HelmRecommendedVersion         = "v4.2.4" // Recommended Helm 4 version
 	HelmSecretsRecommendedVersion  = "v4.7.4" // v4.7.0+ works with both Helm 3 (single plugin) and Helm 4 (split plugin architecture)
 	HelmGitRecommendedVersion      = "v1.3.0"
 	HelmS3RecommendedVersion       = "v0.16.3"
diff --git a/pkg/helmexec/exec_test.go b/pkg/helmexec/exec_test.go
index 270d1a8e..b9ff4b02 100644
--- a/pkg/helmexec/exec_test.go
+++ b/pkg/helmexec/exec_test.go
@@ -2046,7 +2046,7 @@ func Test_UpdatePlugin_NotFoundUninstallProceedsToInstall(t *testing.T) {
 		version string
 		msg     string
 	}{
-		{name: "helm4", version: "4.2.3", msg: "plugin: diff not found"},
+		{name: "helm4", version: "4.2.4", msg: "plugin: diff not found"},
 		{name: "helm3", version: "3.16.4", msg: "Plugin: diff not found"},
 	} {
 		t.Run(tc.name, func(t *testing.T) {