diff --git a/Project.toml b/Project.toml
index 422a5af..5df91c9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "MixedModelsSerialization"
 uuid = "b32ace64-3998-4ca6-afd0-a0db4a0482b2"
+version = "0.2.2"
 authors = ["Phillip Alday <me@phillipalday.com>"]
-version = "0.2.0"
 
 [deps]
 GLM = "38e38edf-8417-5370-95a0-9cbb8c7f171a"
@@ -22,15 +22,22 @@ Effects = "8f03c58b-bd97-4933-a826-f71b64d2cca2"
 MixedModelsSerializationEffectsExt = ["DataFrames", "Effects"]
 
 [compat]
+Aqua = "0.8"
 DataFrames = "1"
 Effects = "1"
 GLM = "1"
 JLD2 = "0.4.22, 0.5, 0.6"
+LinearAlgebra = "1"
 MixedModels = "5.0.3"
+MixedModelsDatasets = "0.2"
+SparseArrays = "1"
 StatsAPI = "1"
 StatsBase = "0.33, 0.34"
-StatsFuns = "1"
+StatsFuns = "1, 2"
 StatsModels = "0.7"
+Suppressor = "0.2"
+Test = "1"
+TestSetExtensions = "4"
 julia = "1.10"
 
 [extras]
diff --git a/src/MixedModelsSerialization.jl b/src/MixedModelsSerialization.jl
index 4295c1a..c77f4fb 100644
--- a/src/MixedModelsSerialization.jl
+++ b/src/MixedModelsSerialization.jl
@@ -130,7 +130,10 @@ function StatsAPI.coeftable(mms::MixedModelSummary)
     co = copy(coef(mms))
     se = copy(stderror(mms))
     z = co ./ se
-    pvalue = 2 .* normccdf.(abs.(z))
+    # use the same code path as MixedModels.jl's own coeftable so that the
+    # values agree bit-for-bit: Distributions' ccdf(Chisq(1), x) delegates
+    # to StatsFuns.chisqccdf
+    pvalue = chisqccdf.(1, abs2.(z))
     names = copy(coefnames(mms))
 
     return StatsBase.CoefTable(hcat(co, se, z, pvalue),
@@ -294,7 +297,7 @@ function Base.show(io::IO, ::MIME"text/plain", m::LinearMixedModelSummary)
     join(io, (re.nlevs for re in values(m.reterms)), ", ")
     println(io)
     println(io, "\n  Fixed-effects parameters:")
-    return show(io, coeftable(m))
+    return show(io, MIME("text/plain"), coeftable(m))
 end
 
 #####
diff --git a/test/runtests.jl b/test/runtests.jl
index 2d314b3..76eab6d 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,7 +1,7 @@
 include("set_up_tests.jl")
 
 @testset ExtendedTestSet "Aqua" begin
-    Aqua.test_all(Effects; ambiguities=false)
+    Aqua.test_all(MixedModelsSerialization; ambiguities=false)
 end
 
 @testset "StatsAPI" begin
@@ -15,7 +15,8 @@ end
     for f in statsapi
         @test f(fm1) == f(mms)
     end
-    @test sprint(show, coeftable(fm1)) == sprint(show, coeftable(mms))
+    @test sprint(show, MIME("text/plain"), coeftable(fm1)) ==
+          sprint(show, MIME("text/plain"), coeftable(mms))
     @test_throws ArgumentError loglikelihood(mms2)
 end
 
@@ -38,7 +39,8 @@ end
     for f in mixedmodels
         @test f(fm1) == f(mms)
     end
-    @test sprint(show, coeftable(fm1)) == sprint(show, coeftable(mms))
+    @test sprint(show, MIME("text/plain"), coeftable(fm1)) ==
+          sprint(show, MIME("text/plain"), coeftable(mms))
 end
 
 @testset "GLM" begin