diff --git a/README.md.gotmpl b/README.md.gotmpl
index 22983df..4dbf142 100644
--- a/README.md.gotmpl
+++ b/README.md.gotmpl
@@ -9,6 +9,7 @@ This chart is used to set up the basic building blocks in [Validated Patterns](h
 
 ### Notable changes
 
+* v0.9.49: Boolean Templates in override values now also render correctly
 * v0.9.48: Templates in override values now render
 * v0.9.45: Default value of `resourceTrackingMethod` is now `annotation`
 * v0.9.44: Default value of `resourceTrackingMethod` is now `annotation`
diff --git a/templates/plumbing/applications.yaml b/templates/plumbing/applications.yaml
index 8d6f5bc..46835d7 100644
--- a/templates/plumbing/applications.yaml
+++ b/templates/plumbing/applications.yaml
@@ -81,7 +81,7 @@ spec:
           {{- end }}
           {{- range .overrides }}
           - name: {{ .name }}
-            value: {{ tpl .value $ | quote }}
+            value: {{ tpl (toString .value) $ | quote }}
           {{- if .forceString }}
             forceString: true
           {{- end }}
@@ -154,7 +154,7 @@ spec:
         {{- end }}
         {{- range .overrides }}
         - name: {{ .name }}
-          value: {{ tpl .value $ | quote }}
+          value: {{ tpl (toString .value) $ | quote }}
           {{- if .forceString }}
           forceString: true
           {{- end }}
diff --git a/tests/application_override_test.yaml b/tests/application_override_test.yaml
index 54c58ac..da74276 100644
--- a/tests/application_override_test.yaml
+++ b/tests/application_override_test.yaml
@@ -101,3 +101,56 @@ tests:
           content:
             name: test_override
             value: https://github.com/validatedpatterns/multicloud-gitops
+
+  - it: should stringify boolean override values for multisource applications
+    set:
+      global:
+        repoURL: https://github.com/validatedpatterns/multicloud-gitops
+        multiSourceRepoUrl: https://charts.validatedpatterns.io
+      clusterGroup:
+        applications:
+          acm:
+            name: acm
+            namespace: open-cluster-management
+            project: hub
+            chart: acm
+            chartVersion: 0.1.*
+            overrides:
+              - name: test_bool_true
+                value: true
+              - name: test_bool_false
+                value: false
+    asserts:
+      - hasDocuments:
+          count: 1
+      - contains:
+          path: spec.sources[1].helm.parameters
+          content:
+            name: test_bool_true
+            value: "true"
+      - contains:
+          path: spec.sources[1].helm.parameters
+          content:
+            name: test_bool_false
+            value: "false"
+
+  - it: should stringify boolean override values for single-source applications
+    set:
+      clusterGroup:
+        applications:
+          test-app:
+            name: test-app
+            namespace: test-ns
+            project: default
+            path: charts/test
+            overrides:
+              - name: test_bool_true
+                value: true
+    asserts:
+      - hasDocuments:
+          count: 1
+      - contains:
+          path: spec.source.helm.parameters
+          content:
+            name: test_bool_true
+            value: "true"