diff --git a/requirements/sdk-langchain.in b/requirements/sdk-langchain.in
index fa13110..7419336 100644
--- a/requirements/sdk-langchain.in
+++ b/requirements/sdk-langchain.in
@@ -3,5 +3,5 @@
 #     --python-version 3.11 -o requirements/sdk-langchain.txt
 # Second pass only: released LangChain/LangGraph, layered onto
 # adapters-no-framework.txt so the first pass stays framework-free.
-langchain-core==1.6.0
+langchain-core==1.6.2
 langgraph==1.2.11
diff --git a/requirements/sdk-langchain.txt b/requirements/sdk-langchain.txt
index 42d97a4..5b99ec3 100644
--- a/requirements/sdk-langchain.txt
+++ b/requirements/sdk-langchain.txt
@@ -206,7 +206,7 @@ httpcore==1.0.9 \
     --hash=sha256:2d400746a40668fc9dec9810239072b40b4484b640a8c38fd654a024c7a1bf55 \
     --hash=sha256:6e34463af53fd2ab5d807f399a9b45ea31c3dfa2276f15a2c3f00afff6e176e8
     # via httpx
-httpcore2==2.12.0 ; sys_platform != 'emscripten' \
+httpcore2==2.12.0 \
     --hash=sha256:7e04258ce01013d7d615e5b910a3b27fac937d7a95038227e79652b4ba3b4ceb \
     --hash=sha256:9293522bba0aa7c4c8e9e3f040c16575bd8868e155a77fa30c7a9085a5eae648
     # via httpx2
@@ -220,10 +220,6 @@ httpx2==2.12.0 \
     --hash=sha256:7631fe9887a8a2275f4a2540e053aa670fcc50742864a9ae7c66e609fdcf12cf \
     --hash=sha256:cc8b6eecb8661c146b8f89a60e97456ee086e91a784ed31ac450c3a9e613dd36
     # via langsmith
-httpx2-jsfetch==1.0 ; python_full_version >= '3.12' and sys_platform == 'emscripten' \
-    --hash=sha256:70a0e3eabfef7cce5ad9c629f7d01ca05e418f586646f4ddf14782e4c1454c60 \
-    --hash=sha256:cb916b707601e69a07721aabc8f3f6659be3a6893bc1ff5c6f9e02241df2da32
-    # via httpx2
 idna==3.19 \
     --hash=sha256:5e0811a4383b21dc5838069f801c4fb62113b7447663d2530d2bd6e77b49bf15 \
     --hash=sha256:815e7be7a7806d54abb586dc943addc79e8b2ee16915059658cbeff4b1b43bf4
@@ -240,9 +236,9 @@ jsonpointer==3.1.1 \
     --hash=sha256:0b801c7db33a904024f6004d526dcc53bbb8a4a0f4e32bfd10beadf60adf1900 \
     --hash=sha256:8ff8b95779d071ba472cf5bc913028df06031797532f08a7d5b602d8b2a488ca
     # via jsonpatch
-langchain-core==1.6.0 \
-    --hash=sha256:d8bb924cd413955d9d3192ccced140407427c3ff51e50ffb941222648da92cb2 \
-    --hash=sha256:dc72e36678ed26683ec0ad8829b44011fba461d10f9b31dbd9110215e5ec2333
+langchain-core==1.6.2 \
+    --hash=sha256:1ec6d3a98f7c8cdbb5bb0deff86e7ca37e16bf4f8f49f022d10723656c62352d \
+    --hash=sha256:21e6c7cf097c68b777fd69ea00864f09bd9ca76ac73e3e3fa14e1ee366eb4711
     # via
     #   -r requirements/sdk-langchain.in
     #   langgraph
@@ -625,7 +621,7 @@ tenacity==9.1.4 \
     --hash=sha256:6095a360c919085f28c6527de529e76a06ad89b23659fa881ae0649b867a9d55 \
     --hash=sha256:adb31d4c263f2bd041081ab33b498309a57c77f9acf2db65aadf0898179cf93a
     # via langchain-core
-truststore==0.10.4 ; sys_platform != 'emscripten' \
+truststore==0.10.4 \
     --hash=sha256:9d91bd436463ad5e4ee4aba766628dd6cd7010cf3e2461756b3303710eebc301 \
     --hash=sha256:adaeaecf1cbb5f4de3b1959b42d41f6fab57b2b1666adb59e89cb0b53361d981
     # via
@@ -636,7 +632,6 @@ typing-extensions==4.16.0 \
     --hash=sha256:dc983d19a509c94dba722ee6abd33940f7c05a89e243c47e907eb4db6f1a43e5
     # via
     #   anyio
-    #   httpx2
     #   langchain-core
     #   langchain-protocol
     #   langsmith