diff --git a/ic-utils/src/interfaces/management_canister.rs b/ic-utils/src/interfaces/management_canister.rs
index 99336c12..7d833c69 100644
--- a/ic-utils/src/interfaces/management_canister.rs
+++ b/ic-utils/src/interfaces/management_canister.rs
@@ -149,7 +149,7 @@ pub struct QueryStats {
 }
 
 /// Log visibility for a canister.
-#[derive(Default, Clone, Copy, CandidType, Deserialize, Debug, PartialEq, Eq)]
+#[derive(Default, Clone, CandidType, Deserialize, Debug, PartialEq, Eq)]
 pub enum LogVisibility {
     #[default]
     #[serde(rename = "controllers")]
@@ -158,6 +158,9 @@ pub enum LogVisibility {
     #[serde(rename = "public")]
     /// Canister logs are visible to everyone.
     Public,
+    #[serde(rename = "allowed_viewers")]
+    /// Canister logs are visible to a set of principals.
+    AllowedViewers(Vec<Principal>),
 }
 
 /// The concrete settings of a canister.
diff --git a/ref-tests/tests/ic-ref.rs b/ref-tests/tests/ic-ref.rs
index fb4e9f32..3c48cff3 100644
--- a/ref-tests/tests/ic-ref.rs
+++ b/ref-tests/tests/ic-ref.rs
@@ -1008,7 +1008,7 @@ mod extras {
     use ic_agent::{
         agent::{RejectCode, RejectResponse},
         export::Principal,
-        AgentError,
+        AgentError, Identity,
     };
     use ic_utils::{
         call::AsyncCall,
@@ -1017,8 +1017,7 @@ mod extras {
             ManagementCanister,
         },
     };
-    use ref_tests::get_effective_canister_id;
-    use ref_tests::with_agent;
+    use ref_tests::{create_basic_identity, get_effective_canister_id, with_agent};
 
     #[ignore]
     #[test]
@@ -1350,6 +1349,7 @@ mod extras {
         with_agent(|agent| async move {
             let ic00 = ManagementCanister::create(&agent);
 
+            // Create with Controllers.
             let (canister_id,) = ic00
                 .create_canister()
                 .as_provisional_create_with_amount(Some(20_000_000_000_000_u128))
@@ -1361,6 +1361,7 @@ mod extras {
             let result = ic00.canister_status(&canister_id).call_and_wait().await?;
             assert_eq!(result.0.settings.log_visibility, LogVisibility::Controllers);
 
+            // Update to Public.
             ic00.update_settings(&canister_id)
                 .with_log_visibility(LogVisibility::Public)
                 .call_and_wait()
@@ -1369,6 +1370,7 @@ mod extras {
             let result = ic00.canister_status(&canister_id).call_and_wait().await?;
             assert_eq!(result.0.settings.log_visibility, LogVisibility::Public);
 
+            // Update with no change.
             let no_change: Option<LogVisibility> = None;
             ic00.update_settings(&canister_id)
                 .with_optional_log_visibility(no_change)
@@ -1378,6 +1380,19 @@ mod extras {
             let result = ic00.canister_status(&canister_id).call_and_wait().await?;
             assert_eq!(result.0.settings.log_visibility, LogVisibility::Public);
 
+            // Update to AllowedViewers.
+            let principals = vec![create_basic_identity()?.sender()?];
+            ic00.update_settings(&canister_id)
+                .with_log_visibility(LogVisibility::AllowedViewers(principals.clone()))
+                .call_and_wait()
+                .await?;
+
+            let result = ic00.canister_status(&canister_id).call_and_wait().await?;
+            assert_eq!(
+                result.0.settings.log_visibility,
+                LogVisibility::AllowedViewers(principals)
+            );
+
             Ok(())
         })
     }