diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8a3380282..68fdbeda10 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -106,6 +106,8 @@ v1.5.0
 
 - Add `proxy_url` to `otelcol.exporter.otlphttp`. (@wildum)
 
+- Allow setting `informer_sync_timeout` in prometheus.operator.* components. (@captncraig)
+
 ### Bugfixes
 
 - Fixed a bug in `import.git` which caused a `"non-fast-forward update"` error message. (@ptodev)
diff --git a/docs/sources/reference/components/prometheus/prometheus.operator.podmonitors.md b/docs/sources/reference/components/prometheus/prometheus.operator.podmonitors.md
index e39dcabf51..2ef2ca30b3 100644
--- a/docs/sources/reference/components/prometheus/prometheus.operator.podmonitors.md
+++ b/docs/sources/reference/components/prometheus/prometheus.operator.podmonitors.md
@@ -34,6 +34,7 @@ Name | Type | Description | Default | Required
 ---- | ---- | ----------- | ------- | --------
 `forward_to` | `list(MetricsReceiver)` | List of receivers to send scraped metrics to. | | yes
 `namespaces` | `list(string)` | List of namespaces to search for PodMonitor resources. If not specified, all namespaces will be searched. || no
+`informer_sync_timeout` | `duration` | Timeout for initial sync of PodMonitor resources. | `1m` | no
 
 ## Blocks
 
diff --git a/docs/sources/reference/components/prometheus/prometheus.operator.probes.md b/docs/sources/reference/components/prometheus/prometheus.operator.probes.md
index ab05421c5e..d1d6421173 100644
--- a/docs/sources/reference/components/prometheus/prometheus.operator.probes.md
+++ b/docs/sources/reference/components/prometheus/prometheus.operator.probes.md
@@ -37,6 +37,7 @@ Name | Type | Description | Default | Required
 ---- | ---- | ----------- | ------- | --------
 `forward_to` | `list(MetricsReceiver)` | List of receivers to send scraped metrics to. | | yes
 `namespaces` | `list(string)` | List of namespaces to search for Probe resources. If not specified, all namespaces will be searched. || no
+`informer_sync_timeout` | `duration` | Timeout for initial sync of Probe resources. | `1m` | no
 
 ## Blocks
 
diff --git a/docs/sources/reference/components/prometheus/prometheus.operator.servicemonitors.md b/docs/sources/reference/components/prometheus/prometheus.operator.servicemonitors.md
index 67b2fcc4d3..0fc51ba0fc 100644
--- a/docs/sources/reference/components/prometheus/prometheus.operator.servicemonitors.md
+++ b/docs/sources/reference/components/prometheus/prometheus.operator.servicemonitors.md
@@ -37,6 +37,7 @@ Name | Type | Description
 `forward_to` | `list(MetricsReceiver)` | List of receivers to send scraped metrics to.                                                                              |           | yes
 `namespaces` | `list(string)` | List of namespaces to search for ServiceMonitor resources. If not specified, all namespaces will be searched.              |           | no
 `kubernetes_role` | `string` | The Kubernetes role used for discovery. Supports `endpoints` or `endpointslice`. | `endpoints` | no
+`informer_sync_timeout` | `duration` | Timeout for initial sync of ServiceMonitor resources. | `1m` | no
 
 ## Blocks