diff --git a/buckbuild.bzl b/buckbuild.bzl
index d56b55320c3..4c1affd10e1 100644
--- a/buckbuild.bzl
+++ b/buckbuild.bzl
@@ -176,8 +176,8 @@ THIRD_PARTY_LIBS = {
     "omp": ["//xplat/third-party/linker_lib:omp", "//third_party:no-op"],
     "pocketfft": ["//third-party/pocket_fft:pocketfft", "//third_party:pocketfft_header"],
     "psimd": ["//xplat/third-party/psimd:psimd", "//third_party:psimd"],
-    "pthreadpool": ["//xplat/third-party/pthreadpool:pthreadpool", "//third_party:pthreadpool"],
-    "pthreadpool_header": ["//xplat/third-party/pthreadpool:pthreadpool_header", "//third_party:pthreadpool_header"],
+    "pthreadpool": ["fbsource//xplat/third-party/pthreadpool:pthreadpool", "//third_party:pthreadpool"],
+    "pthreadpool_header": ["fbsource//xplat/third-party/pthreadpool:pthreadpool_header", "//third_party:pthreadpool_header"],
     "moodycamel": ["//third-party/moodycamel:moodycamel", "//third_party:moodycamel"],
     "pyyaml": ["//third-party/pypi/pyyaml:pyyaml", "//third_party:pyyaml"],
     "rt": ["//xplat/third-party/linker_lib:rt", "//third_party:rt"],