diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e6a3449..720b925 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -58,9 +58,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@1.86
       - uses: Swatinem/rust-cache@v2
       - name: Check
-        # The optional `gasp` feature is excluded: yoagent-state currently
-        # requires a newer rustc (let-chains) than the crate's 1.86 MSRV.
-        run: cargo check --features openapi
+        run: cargo check --all-features
 
   # yoagent claims to be a tested GASP-conformant runtime — this job is the
   # test: emit an agent repo with the gasp bridge (mock provider, no network)
diff --git a/Cargo.toml b/Cargo.toml
index aebd90e..a782a75 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,8 @@ rand = "0.10.0"
 base64 = "0.22"
 openapiv3 = { version = "2", optional = true }
 serde_yaml_ng = { version = "0.10", optional = true }
-yoagent-state = { version = "0.4.1", optional = true }
+# 0.4.2 floor: 0.4.1 declared MSRV 1.85 but required 1.88 (let-chain)
+yoagent-state = { version = "0.4.2", optional = true }
 
 [features]
 openapi = ["dep:openapiv3", "dep:serde_yaml_ng", "reqwest/query"]
diff --git a/docs/concepts/gasp.md b/docs/concepts/gasp.md
index 4c825f6..6f790dc 100644
--- a/docs/concepts/gasp.md
+++ b/docs/concepts/gasp.md
@@ -16,9 +16,6 @@ agent-loop changes**:
 yoagent = { version = "0.11", features = ["gasp"] }
 ```
 
-> The `gasp` feature currently requires a newer Rust than the crate's 1.86
-> MSRV (its `yoagent-state` dependency uses let-chains, stable since 1.88).
-
 
 ```rust
 use yoagent::gasp::{GaspRecorder, GoalRef};