diff --git a/Manifest.toml b/Manifest.toml
index 665b895..6704090 100644
--- a/Manifest.toml
+++ b/Manifest.toml
@@ -1,8 +1,5 @@
 # This file is machine-generated - editing it directly is not advised
 
-[[Base64]]
-uuid = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
-
 [[Dates]]
 deps = ["Printf"]
 uuid = "ade2ca70-3891-5945-98fb-dc099432e06a"
@@ -11,31 +8,20 @@ uuid = "ade2ca70-3891-5945-98fb-dc099432e06a"
 deps = ["Random", "Serialization", "Sockets"]
 uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 
-[[InteractiveUtils]]
-deps = ["Markdown"]
-uuid = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
-
-[[JSON]]
-deps = ["Dates", "Mmap", "Parsers", "Unicode"]
-git-tree-sha1 = "b34d7cef7b337321e97d22242c3c2b91f476748e"
-uuid = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
-version = "0.21.0"
-
-[[Logging]]
-uuid = "56ddb016-857b-54e1-b83d-db4d58db5568"
-
-[[Markdown]]
-deps = ["Base64"]
-uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
+[[JSON3]]
+deps = ["Dates", "Mmap", "Parsers", "StructTypes", "UUIDs"]
+git-tree-sha1 = "7d58534ffb62cd947950b3aa9b993e63307a6125"
+uuid = "0f8b85d8-7281-11e9-16c2-39a750bddbf1"
+version = "1.9.2"
 
 [[Mmap]]
 uuid = "a63ad114-7e13-5084-954f-fe012c677804"
 
 [[Parsers]]
-deps = ["Dates", "Test"]
-git-tree-sha1 = "0c16b3179190d3046c073440d94172cfc3bb0553"
+deps = ["Dates"]
+git-tree-sha1 = "ae4bbcadb2906ccc085cf52ac286dc1377dceccc"
 uuid = "69de0a69-1ddd-5017-9359-2bf0b02dc9f0"
-version = "0.3.12"
+version = "2.1.2"
 
 [[Printf]]
 deps = ["Unicode"]
@@ -45,15 +31,24 @@ uuid = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 deps = ["Serialization"]
 uuid = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 
+[[SHA]]
+uuid = "ea8e919c-243c-51af-8825-aaa63cd721ce"
+
 [[Serialization]]
 uuid = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
 
 [[Sockets]]
 uuid = "6462fe0b-24de-5631-8697-dd941f90decc"
 
-[[Test]]
-deps = ["Distributed", "InteractiveUtils", "Logging", "Random"]
-uuid = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+[[StructTypes]]
+deps = ["Dates", "UUIDs"]
+git-tree-sha1 = "d24a825a95a6d98c385001212dc9020d609f2d4f"
+uuid = "856f2bd8-1eba-4b0a-8007-ebc267875bd4"
+version = "1.8.1"
+
+[[UUIDs]]
+deps = ["Random", "SHA"]
+uuid = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 
 [[Unicode]]
 uuid = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
diff --git a/Project.toml b/Project.toml
index 99c7bb8..d43de6b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,11 +1,11 @@
 name = "SecretAnalysis"
 uuid = "8dfca4dd-ef31-4e42-8ec3-c12533c9aecd"
 authors = ["Matt Bauman"]
-version = "0.1.5"
+version = "0.1.6"
 
 [deps]
 Distributed = "8ba89e20-285c-5b6f-9357-94700520ee1b"
-JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
+JSON3 = "0f8b85d8-7281-11e9-16c2-39a750bddbf1"
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 
 [compat]
diff --git a/bin/main.jl b/bin/main.jl
index 056588b..6db00fa 100644
--- a/bin/main.jl
+++ b/bin/main.jl
@@ -1,10 +1,15 @@
-using SecretAnalysis, JSON, Printf, Distributed
+using SecretAnalysis, JSON3, Printf, Distributed
 
-n = parse(Int64, replace(get(ENV, "n", "10_000_000_000"), '_'=>""))
+n = parse(Int64, replace(get(ENV, "n", "10_000_000_000"), '_' => ""))
 
 println("#### Estimating π with $n throws ####")
 
 t = @timed @show estimate_pi(n)
 
 out = Dict(:pi => t[1], :time => @sprintf("%.1fs", t[2]), :workers => nworkers())
-ENV["OUTPUTS"] = JSON.json(out)
+open("results.json", "w") do io
+    JSON3.pretty(io, JSON3.write(out))
+end
+
+ENV["RESULTS"] = JSON3.write(out)
+ENV["RESULTS_FILE"] = "results.json"
\ No newline at end of file