diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a941fd..ca5e40a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- `sourcebot.hostAliases` value for injecting entries into the pod's `/etc/hosts`. [131](https://github.com/sourcebot-dev/sourcebot-helm-chart/pull/131)
+
 ## [0.1.101] - 2026-08-13
 
 ### Changed
diff --git a/charts/sourcebot/README.md b/charts/sourcebot/README.md
index 613e2ac..0bbdd6f 100644
--- a/charts/sourcebot/README.md
+++ b/charts/sourcebot/README.md
@@ -75,6 +75,7 @@ Sourcebot is a self-hosted tool that helps you understand your codebase.
 | sourcebot.envFrom | list | `[]` | Load environment variables from ConfigMaps and Secrets This is useful for injecting multiple environment variables from external secret management systems |
 | sourcebot.extraVolumeMounts | list | `[]` | Define volume mounts for the container See: https://kubernetes.io/docs/concepts/storage/volumes/ |
 | sourcebot.extraVolumes | list | `[]` | Define additional volumes See: https://kubernetes.io/docs/concepts/storage/volumes/ |
+| sourcebot.hostAliases | list | `[]` | Set host aliases to inject entries into the pod's /etc/hosts file See: https://kubernetes.io/docs/tasks/network/customize-hosts-file-for-pods/ |
 | sourcebot.image.digest | string | `""` | Container image digest (used instead of tag if set) |
 | sourcebot.image.pullPolicy | string | `"IfNotPresent"` | Image pull policy |
 | sourcebot.image.pullSecrets | list | `[]` | Configure image pull secrets for private registries |
diff --git a/charts/sourcebot/templates/deployment.yaml b/charts/sourcebot/templates/deployment.yaml
index b990eb6..9fd2fbf 100644
--- a/charts/sourcebot/templates/deployment.yaml
+++ b/charts/sourcebot/templates/deployment.yaml
@@ -167,3 +167,7 @@ spec:
       tolerations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- with $.Values.sourcebot.hostAliases }}
+      hostAliases:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
diff --git a/charts/sourcebot/values.schema.json b/charts/sourcebot/values.schema.json
index 9d94b5d..1e823bc 100644
--- a/charts/sourcebot/values.schema.json
+++ b/charts/sourcebot/values.schema.json
@@ -200,6 +200,20 @@
         "tolerations": {
           "type": "array"
         },
+        "hostAliases": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "properties": {
+              "ip": { "type": "string" },
+              "hostnames": {
+                "type": "array",
+                "items": { "type": "string" }
+              }
+            },
+            "required": ["ip"]
+          }
+        },
         "affinity": {
           "type": "object"
         },
diff --git a/charts/sourcebot/values.yaml b/charts/sourcebot/values.yaml
index d75b11e..feac102 100644
--- a/charts/sourcebot/values.yaml
+++ b/charts/sourcebot/values.yaml
@@ -297,6 +297,13 @@ sourcebot:
   #   operator: Equal
   #   value: "value"
 
+  # -- Set host aliases to inject entries into the pod's /etc/hosts file
+  # See: https://kubernetes.io/docs/tasks/network/customize-hosts-file-for-pods/
+  hostAliases: []
+  # - ip: "10.0.0.10"
+  #   hostnames:
+  #     - "gitlab.internal.example.com"
+
   # -- Set affinity rules for pod scheduling
   # Defaults to soft anti-affinity if not set
   # See: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/