diff --git a/Cargo.toml b/Cargo.toml
index f8c1b278..ea9b262f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -151,6 +151,11 @@ version = "0.27.2"
 features = ["http1", "http2"]
 default-features = false
 
+# Snapshot testing
+[workspace.dependencies.insta]
+version = "1.39.0"
+features = ["yaml", "json"]
+
 # Email sending
 [workspace.dependencies.lettre]
 version = "0.11.7"
diff --git a/crates/handlers/Cargo.toml b/crates/handlers/Cargo.toml
index 0d5b0c7f..db964e2b 100644
--- a/crates/handlers/Cargo.toml
+++ b/crates/handlers/Cargo.toml
@@ -99,7 +99,7 @@ oauth2-types.workspace = true
 zxcvbn = "3.1.0"
 
 [dev-dependencies]
-insta = "1.39.0"
+insta.workspace = true
 tracing-subscriber.workspace = true
 cookie_store = "0.21.0"
 sqlx.workspace = true
diff --git a/crates/handlers/src/admin/v1/oauth2_sessions/get.rs b/crates/handlers/src/admin/v1/oauth2_sessions/get.rs
index 078c92a1..9e5dc5f5 100644
--- a/crates/handlers/src/admin/v1/oauth2_sessions/get.rs
+++ b/crates/handlers/src/admin/v1/oauth2_sessions/get.rs
@@ -83,3 +83,77 @@ pub async fn handler(
         session,
     ))))
 }
+
+#[cfg(test)]
+mod tests {
+    use hyper::{Request, StatusCode};
+    use mas_data_model::AccessToken;
+    use sqlx::PgPool;
+    use ulid::Ulid;
+
+    use crate::test_utils::{setup, RequestBuilderExt, ResponseExt, TestState};
+
+    #[sqlx::test(migrator = "mas_storage_pg::MIGRATOR")]
+    async fn test_get(pool: PgPool) {
+        setup();
+        let mut state = TestState::from_pool(pool).await.unwrap();
+        let token = state.token_with_scope("urn:mas:admin").await;
+
+        // state.token_with_scope did create a session, so we can get it here
+        let mut repo = state.repository().await.unwrap();
+        let AccessToken { session_id, .. } = repo
+            .oauth2_access_token()
+            .find_by_token(&token)
+            .await
+            .unwrap()
+            .unwrap();
+        repo.save().await.unwrap();
+
+        let request = Request::get(format!("/api/admin/v1/oauth2-sessions/{session_id}"))
+            .bearer(&token)
+            .empty();
+        let response = state.request(request).await;
+        response.assert_status(StatusCode::OK);
+        let body: serde_json::Value = response.json();
+        assert_eq!(body["data"]["type"], "oauth2-session");
+        insta::assert_json_snapshot!(body, @r###"
+        {
+          "data": {
+            "type": "oauth2-session",
+            "id": "01FSHN9AG0MKGTBNZ16RDR3PVY",
+            "attributes": {
+              "created_at": "2022-01-16T14:40:00Z",
+              "finished_at": null,
+              "user_id": null,
+              "user_session_id": null,
+              "client_id": "01FSHN9AG0FAQ50MT1E9FFRPZR",
+              "scope": "urn:mas:admin",
+              "user_agent": null,
+              "last_active_at": null,
+              "last_active_ip": null
+            },
+            "links": {
+              "self": "/api/admin/v1/oauth2-sessions/01FSHN9AG0MKGTBNZ16RDR3PVY"
+            }
+          },
+          "links": {
+            "self": "/api/admin/v1/oauth2-sessions/01FSHN9AG0MKGTBNZ16RDR3PVY"
+          }
+        }
+        "###);
+    }
+
+    #[sqlx::test(migrator = "mas_storage_pg::MIGRATOR")]
+    async fn test_not_found(pool: PgPool) {
+        setup();
+        let mut state = TestState::from_pool(pool).await.unwrap();
+        let token = state.token_with_scope("urn:mas:admin").await;
+
+        let session_id = Ulid::nil();
+        let request = Request::get(format!("/api/admin/v1/oauth2-sessions/{session_id}"))
+            .bearer(&token)
+            .empty();
+        let response = state.request(request).await;
+        response.assert_status(StatusCode::NOT_FOUND);
+    }
+}
diff --git a/crates/jose/Cargo.toml b/crates/jose/Cargo.toml
index 47433d42..74b9b313 100644
--- a/crates/jose/Cargo.toml
+++ b/crates/jose/Cargo.toml
@@ -38,5 +38,5 @@ url.workspace = true
 mas-iana.workspace = true
 
 [dev-dependencies]
-insta = { version = "1.39.0" }
+insta.workspace = true
 rand_chacha = "0.3.1"
diff --git a/crates/keystore/Cargo.toml b/crates/keystore/Cargo.toml
index 32084977..bc6c0b8d 100644
--- a/crates/keystore/Cargo.toml
+++ b/crates/keystore/Cargo.toml
@@ -36,5 +36,5 @@ mas-iana.workspace = true
 mas-jose.workspace = true
 
 [dev-dependencies]
-insta = { version = "1.39.0", features = ["yaml"] }
+insta.workspace = true
 rand_chacha = "0.3.1"