diff --git a/ci/build-ci-image.sh b/ci/build-ci-image.sh
index b1dae2e91271a..dd2462eb21a41 100755
--- a/ci/build-ci-image.sh
+++ b/ci/build-ci-image.sh
@@ -10,7 +10,7 @@ cat ../rust-toolchain
 # shellcheck disable=SC2155
 
 # REMEMBER TO ALSO UPDATE ci/docker-compose.yml
-export BUILD_ENV_VERSION=v20240422
+export BUILD_ENV_VERSION=v20240424
 
 export BUILD_TAG="public.ecr.aws/w1p7b4n3/rw-build-env:${BUILD_ENV_VERSION}"
 
diff --git a/ci/docker-compose.yml b/ci/docker-compose.yml
index b5cec2e6abe68..cb0b679d9ab7c 100644
--- a/ci/docker-compose.yml
+++ b/ci/docker-compose.yml
@@ -71,7 +71,7 @@ services:
       retries: 5
 
   source-test-env:
-    image: public.ecr.aws/w1p7b4n3/rw-build-env:v20240422
+    image: public.ecr.aws/w1p7b4n3/rw-build-env:v20240424
     depends_on:
       - mysql
       - db
@@ -84,7 +84,7 @@ services:
       - ..:/risingwave
 
   sink-test-env:
-    image: public.ecr.aws/w1p7b4n3/rw-build-env:v20240422
+    image: public.ecr.aws/w1p7b4n3/rw-build-env:v20240424
     depends_on:
       - mysql
       - db
@@ -103,12 +103,12 @@ services:
 
 
   rw-build-env:
-    image: public.ecr.aws/w1p7b4n3/rw-build-env:v20240422
+    image: public.ecr.aws/w1p7b4n3/rw-build-env:v20240424
     volumes:
       - ..:/risingwave
 
   ci-flamegraph-env:
-    image: public.ecr.aws/w1p7b4n3/rw-build-env:v20240422
+    image: public.ecr.aws/w1p7b4n3/rw-build-env:v20240424
     # NOTE(kwannoel): This is used in order to permit
     # syscalls for `nperf` (perf_event_open),
     # so it can do CPU profiling.
@@ -119,7 +119,7 @@ services:
       - ..:/risingwave
 
   regress-test-env:
-    image: public.ecr.aws/w1p7b4n3/rw-build-env:v20240422
+    image: public.ecr.aws/w1p7b4n3/rw-build-env:v20240424
     depends_on:
       db:
         condition: service_healthy
diff --git a/ci/rust-toolchain b/ci/rust-toolchain
index 9039c2fb625ba..2e72736b66b39 100644
--- a/ci/rust-toolchain
+++ b/ci/rust-toolchain
@@ -4,4 +4,4 @@
 # 3. (optional) **follow the instructions in lints/README.md** to update the toolchain and dependencies for lints
 
 [toolchain]
-channel = "nightly-2024-04-22"
+channel = "nightly-2024-04-24"
diff --git a/src/frontend/src/optimizer/logical_optimization.rs b/src/frontend/src/optimizer/logical_optimization.rs
index 834c293f212b6..cb9f7773970d6 100644
--- a/src/frontend/src/optimizer/logical_optimization.rs
+++ b/src/frontend/src/optimizer/logical_optimization.rs
@@ -729,8 +729,8 @@ impl LogicalOptimizer {
         // Do a final column pruning and predicate pushing down to clean up the plan.
         plan = Self::column_pruning(plan, explain_trace, &ctx);
         if last_total_rule_applied_before_predicate_pushdown != ctx.total_rule_applied() {
-            #[allow(unused_assignments)]
-            last_total_rule_applied_before_predicate_pushdown = ctx.total_rule_applied();
+            (#[allow(unused_assignments)]
+            last_total_rule_applied_before_predicate_pushdown) = ctx.total_rule_applied();
             plan = Self::predicate_pushdown(plan, explain_trace, &ctx);
         }