diff --git a/Project.toml b/Project.toml
index 58f1337e..94b8adf9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -58,7 +58,7 @@ Roots = "f2b01f46-fcfa-551c-844a-d8ac1e96c665"
 Rotations = "6038ab10-8711-5258-84ad-4b1120ba62dc"
 Serialization = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
 Setfield = "efcf1570-3423-57d1-acb7-fd33fddbac46"
-SnoopPrecompile = "66db9d55-30c0-4569-8b51-7e840670fc0c"
+PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
@@ -126,7 +126,7 @@ Requires = "0.5, 1"
 Roots = "0.8.4, 1, 2"
 Rotations = "1.3.4"
 Setfield = "0.6, 0.7, 0.8, 1"
-SnoopPrecompile = "1"
+PrecompileTools = "1"
 StaticArrays = "0.12.1, 1.0"
 StatsBase = "0.32, 0.33"
 TimerOutputs = "0.5"
diff --git a/src/CMBLensing.jl b/src/CMBLensing.jl
index 37e070ca..ca04cff9 100644
--- a/src/CMBLensing.jl
+++ b/src/CMBLensing.jl
@@ -55,7 +55,7 @@ using Roots
 using Requires
 using Serialization
 using Setfield
-using SnoopPrecompile
+using PrecompileTools
 using SparseArrays
 import StaticArrays
 using StaticArrays: @SMatrix, @SVector, SMatrix, StaticMatrix, StaticVector, StaticArray,
@@ -186,7 +186,7 @@ function CMBLensingMuseProblem end
     ProgressMeter.ijulia_behavior(:clear)
 end
 
-@precompile_all_calls include("precompile.jl")
+@compile_workload include("precompile.jl")
 
 end