diff --git a/build/fbcode_builder/manifests/fast_float b/build/fbcode_builder/manifests/fast_float
new file mode 100644
index 00000000..f91401de
--- /dev/null
+++ b/build/fbcode_builder/manifests/fast_float
@@ -0,0 +1,20 @@
+[manifest]
+name = fast_float
+
+[download]
+url = https://github.com/fastfloat/fast_float/archive/refs/tags/v2.0.0.tar.gz
+sha256 = 5d528ec20811577c5f2b2873528c085c500fdcd2b2c0901450509a71de5f1fa4
+
+[build]
+builder = cmake
+subdir = fast_float-2.0.0
+
+[cmake.defines]
+FASTFLOAT_TEST = OFF
+FASTFLOAT_SANITIZE = OFF
+
+[debs]
+libfast-float-dev
+
+[rpms.distro=fedora]
+fast_float-devel
diff --git a/build/fbcode_builder/manifests/folly b/build/fbcode_builder/manifests/folly
index 5fc5297f..e8bc7d48 100644
--- a/build/fbcode_builder/manifests/folly
+++ b/build/fbcode_builder/manifests/folly
@@ -20,6 +20,7 @@ libdwarf
 libevent
 libsodium
 double-conversion
+fast_float
 fmt
 lz4
 snappy