diff --git a/Cargo.lock b/Cargo.lock
index a4d9bbcbbb..323bf47b26 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4315,9 +4315,9 @@ dependencies = [
 
 [[package]]
 name = "router-bridge"
-version = "0.1.0-alpha.1"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f76769e567afde5e5e51f36f96bc734b35eb77d38668f6cf07e2784b3f303ed"
+checksum = "700465195ab6ed2241cd3bf76b9c08c2672d2437db0788ea03e85f5a7814225d"
 dependencies = [
  "anyhow",
  "async-channel",
diff --git a/NEXT_CHANGELOG.md b/NEXT_CHANGELOG.md
index c92f53c9b5..fe876cd26a 100644
--- a/NEXT_CHANGELOG.md
+++ b/NEXT_CHANGELOG.md
@@ -35,6 +35,13 @@ The helm chart never used to have a registry, so our docs were really just place
 
 By [@garypen](https://github.com/garypen) in https://github.com/apollographql/router/pull/1649
 
+
+### Update router-bridge to `query-planner` v2.1.0 ([PR #1650](https://github.com/apollographql/router/pull/1650))
+
+The 2.1.0 release of the query planner comes with fixes to fragment interpretation and reduced memory usage.
+
+By [@Geal](https://github.com/Geal) in https://github.com/apollographql/router/pull/1650
+
 ## 🛠 Maintenance
 
 ### Remove cache layer ([PR #1647](https://github.com/apollographql/router/issues/1647))
@@ -46,7 +53,7 @@ By [@garypen](https://github.com/garypen) in https://github.com/apollographql/ro
 
 ### Refactor `SupergraphService` ([PR #1615](https://github.com/apollographql/router/issues/1615))
 
-The `SupergrapHService` code became too complex, so much that `rsutfmt` could not modify it anymore.
+The `SupergraphService` code became too complex, so much that `rsutfmt` could not modify it anymore.
 This breaks up the code in more manageable functions.
 
 By [@Geal](https://github.com/Geal) in https://github.com/apollographql/router/pull/1615
diff --git a/apollo-router/Cargo.toml b/apollo-router/Cargo.toml
index fc5bc8b9ea..655ce388c1 100644
--- a/apollo-router/Cargo.toml
+++ b/apollo-router/Cargo.toml
@@ -119,7 +119,7 @@ reqwest = { version = "0.11.11", default-features = false, features = [
     "json",
     "stream",
 ] }
-router-bridge = "0.1.0-alpha.1"
+router-bridge = "0.1.0"
 schemars = { version = "0.8.10", features = ["url"] }
 sha2 = "0.10.2"
 serde = { version = "1.0.144", features = ["derive", "rc"] }
diff --git a/apollo-router/src/introspection.rs b/apollo-router/src/introspection.rs
index aa25f45b19..8727d8d1e1 100644
--- a/apollo-router/src/introspection.rs
+++ b/apollo-router/src/introspection.rs
@@ -3,7 +3,7 @@ use std::collections::HashMap;
 
 use router_bridge::introspect;
 use router_bridge::introspect::IntrospectionError;
-use router_bridge::planner::DeferStreamSupport;
+use router_bridge::planner::IncrementalDeliverySupport;
 use router_bridge::planner::QueryPlannerConfig;
 
 use crate::cache::storage::CacheStorage;
@@ -58,7 +58,7 @@ impl Introspection {
             schema_sdl,
             vec![query.to_owned()],
             QueryPlannerConfig {
-                defer_stream_support: Some(DeferStreamSupport {
+                incremental_delivery: Some(IncrementalDeliverySupport {
                     enable_defer: Some(self.defer_support),
                 }),
             },
diff --git a/apollo-router/src/query_planner/bridge_query_planner.rs b/apollo-router/src/query_planner/bridge_query_planner.rs
index b43eb7e9a0..9b6bc8435e 100644
--- a/apollo-router/src/query_planner/bridge_query_planner.rs
+++ b/apollo-router/src/query_planner/bridge_query_planner.rs
@@ -5,7 +5,7 @@ use std::sync::Arc;
 
 use futures::future::BoxFuture;
 use opentelemetry::trace::SpanKind;
-use router_bridge::planner::DeferStreamSupport;
+use router_bridge::planner::IncrementalDeliverySupport;
 use router_bridge::planner::PlanSuccess;
 use router_bridge::planner::Planner;
 use router_bridge::planner::QueryPlannerConfig;
@@ -51,7 +51,7 @@ impl BridgeQueryPlanner {
                 Planner::new(
                     schema.as_string().to_string(),
                     QueryPlannerConfig {
-                        defer_stream_support: Some(DeferStreamSupport {
+                        incremental_delivery: Some(IncrementalDeliverySupport {
                             enable_defer: Some(configuration.server.experimental_defer_support),
                         }),
                     },
diff --git a/apollo-router/src/spec/schema.rs b/apollo-router/src/spec/schema.rs
index 6b92bec12a..f0cc30f0dd 100644
--- a/apollo-router/src/spec/schema.rs
+++ b/apollo-router/src/spec/schema.rs
@@ -840,7 +840,14 @@ mod tests {
             Err(SchemaError::Api(s)) => {
                 assert_eq!(
                     s,
-                    "The supergraph schema failed to produce a valid API schema"
+                    r#"The supergraph schema failed to produce a valid API schema. Caused by:
+Input field "InputObject.privateField" is @inaccessible but is used in the default value of "@foo(someArg:)", which is in the API schema.
+
+GraphQL request:42:1
+41 |
+42 | input InputObject {
+   | ^
+43 |   someField: String"#
                 );
             }
             other => panic!("unexpected schema result: {:?}", other),