diff --git a/CMakeLists.txt b/CMakeLists.txt
index ef027582..77a8195d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,7 +127,7 @@ if (CXX_ENABLE_FLATBUFFERS)
 
     FetchContent_Declare(
         flatbuffers
-        URL https://github.com/google/flatbuffers/archive/refs/tags/v24.12.23.tar.gz
+        URL https://github.com/google/flatbuffers/archive/refs/tags/v25.1.24.tar.gz
     )
 
     FetchContent_MakeAvailable(flatbuffers)
diff --git a/Dockerfile.emsdk b/Dockerfile.emsdk
index 943095cd..587f7995 100644
--- a/Dockerfile.emsdk
+++ b/Dockerfile.emsdk
@@ -9,7 +9,7 @@ COPY tools/kwgen/kwgen.cc /tmp/kwgen.cc
 
 RUN g++ -std=c++20 /tmp/kwgen.cc -o /usr/bin/kwgen
 
-RUN wget https://github.com/google/flatbuffers/releases/download/v24.12.23/Linux.flatc.binary.clang++-18.zip && \
+RUN wget https://github.com/google/flatbuffers/releases/download/v25.1.24/Linux.flatc.binary.clang++-18.zip && \
     unzip Linux.flatc.binary.clang++-18.zip && \
     mv flatc /usr/bin/flatc && \
     rm Linux.flatc.binary.clang++-18.zip
diff --git a/Dockerfile.wasi b/Dockerfile.wasi
index 9fd21f6b..42feebed 100644
--- a/Dockerfile.wasi
+++ b/Dockerfile.wasi
@@ -12,7 +12,7 @@ COPY tools/kwgen/kwgen.cc /tmp/kwgen.cc
 
 RUN g++ -std=c++20 /tmp/kwgen.cc -o /usr/bin/kwgen
 
-RUN wget https://github.com/google/flatbuffers/releases/download/v24.12.23/Linux.flatc.binary.clang++-18.zip && \
+RUN wget https://github.com/google/flatbuffers/releases/download/v25.1.24/Linux.flatc.binary.clang++-18.zip && \
     unzip Linux.flatc.binary.clang++-18.zip && \
     mv flatc /usr/bin/flatc && \
     rm Linux.flatc.binary.clang++-18.zip