diff --git a/deps/checksums/Pidfile-a9053cf170dbed975be44427623611acdb651a20.tar.gz/md5 b/deps/checksums/Pidfile-a9053cf170dbed975be44427623611acdb651a20.tar.gz/md5
new file mode 100644
index 0000000000000..1949fa80b9700
--- /dev/null
+++ b/deps/checksums/Pidfile-a9053cf170dbed975be44427623611acdb651a20.tar.gz/md5
@@ -0,0 +1 @@
+1b31d1b31610fc7906453484269c691b
diff --git a/deps/checksums/Pidfile-a9053cf170dbed975be44427623611acdb651a20.tar.gz/sha512 b/deps/checksums/Pidfile-a9053cf170dbed975be44427623611acdb651a20.tar.gz/sha512
new file mode 100644
index 0000000000000..50e201681e7f8
--- /dev/null
+++ b/deps/checksums/Pidfile-a9053cf170dbed975be44427623611acdb651a20.tar.gz/sha512
@@ -0,0 +1 @@
+61c7474664102bde9ca88df9252a6a2c461944900bd10e47d0752e2f84a2c454c039f385443d8884a9f590d721441e6bf4b67f26e6d66be130b6865340c77a6e
diff --git a/stdlib/.gitignore b/stdlib/.gitignore
index d90aaa993d049..5cacc9ad0472b 100644
--- a/stdlib/.gitignore
+++ b/stdlib/.gitignore
@@ -13,6 +13,8 @@
 /Tar
 /NetworkOptions-*
 /NetworkOptions
+/Pidfile-*
+/Pidfile
 /SuiteSparse-*
 /SuiteSparse
 /SHA-*
diff --git a/stdlib/Makefile b/stdlib/Makefile
index 826b3b0c6114e..a0038b4f888e1 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -44,7 +44,7 @@ STDLIBS = Artifacts Base64 CRC32c Dates DelimitedFiles Distributed FileWatching
           SharedArrays Sockets SparseArrays SuiteSparse Test TOML Unicode UUIDs \
           $(JLL_NAMES)
 
-STDLIBS_EXT = Pkg Statistics LibCURL Downloads ArgTools Tar NetworkOptions SuiteSparse SHA
+STDLIBS_EXT = Pkg Statistics LibCURL Downloads ArgTools Tar NetworkOptions Pidfile SuiteSparse SHA
 
 $(foreach module, $(STDLIBS_EXT), $(eval $(call stdlib-external,$(module),$(shell echo $(module) | tr a-z A-Z))))
 
diff --git a/stdlib/Pidfile.version b/stdlib/Pidfile.version
new file mode 100644
index 0000000000000..42146f5f2ea44
--- /dev/null
+++ b/stdlib/Pidfile.version
@@ -0,0 +1,4 @@
+PIDFILE_BRANCH = master
+PIDFILE_SHA1 = a9053cf170dbed975be44427623611acdb651a20
+PIDFILE_GIT_URL := git://github.com/vtjnash/Pidfile.jl.git
+PIDFILE_TAR_URL = https://api.github.com/repos/vtjnash/Pidfile.jl/tarball/$1