diff --git a/libs/langchain/dev.Dockerfile b/libs/langchain/dev.Dockerfile
index c36cc030440f2..696f8fdb0235b 100644
--- a/libs/langchain/dev.Dockerfile
+++ b/libs/langchain/dev.Dockerfile
@@ -46,5 +46,8 @@ COPY libs/core ../core
 # Copy the community library for installation
 COPY libs/community/ ../community/
 
+# Copy the text-splitters library for installation
+COPY libs/text-splitters/ ../text-splitters/
+
 # Install the Poetry dependencies (this layer will be cached as long as the dependencies don't change)
 RUN poetry install --no-interaction --no-ansi --with dev,test,docs