diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f84574f..b4f7f34 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -18,24 +18,24 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.6'
+          - 'lts'
           - '1'
-          - 'nightly'
+          - 'pre'
         os:
           - ubuntu-latest
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: julia-actions/cache@v1
+      - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v2
+      - uses: codecov/codecov-action@v5
         with:
           files: lcov.info
   docs:
@@ -44,8 +44,8 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
       - uses: julia-actions/julia-buildpkg@v1
diff --git a/Project.toml b/Project.toml
index fa326f2..f3a0dc5 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ColorQuantization"
 uuid = "652893fb-f6a0-4a00-a44a-7fb8fac69e01"
 authors = ["Adrian Hill <adrian.hill@mailbox.org>"]
-version = "0.1.3"
+version = "0.1.4-DEV"
 
 [deps]
 Clustering = "aaaa29a8-35af-508c-8bc3-b662a17a0fe5"
@@ -11,6 +11,7 @@ Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 
 [compat]
 Clustering = "0.14.3, 0.15"
-Colors = "0.12"
+Colors = "0.12, 0.13"
 ImageBase = "0.1"
+Random = "1"
 julia = "1.6"
diff --git a/test/references/KMeansQuantization8_N0f8.txt b/test/references/KMeansQuantization8_N0f8.txt
index ca89253..c3fbea3 100644
--- a/test/references/KMeansQuantization8_N0f8.txt
+++ b/test/references/KMeansQuantization8_N0f8.txt
@@ -1 +1 @@
-████████
\ No newline at end of file
+████████
\ No newline at end of file
diff --git a/test/references/KMeansQuantization8_N0f8_HSV.txt b/test/references/KMeansQuantization8_N0f8_HSV.txt
index 42ca694..ae0a0cc 100644
--- a/test/references/KMeansQuantization8_N0f8_HSV.txt
+++ b/test/references/KMeansQuantization8_N0f8_HSV.txt
@@ -1 +1 @@
-████████
\ No newline at end of file
+████████
\ No newline at end of file
diff --git a/test/runtests.jl b/test/runtests.jl
index abd656a..b60c818 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -5,10 +5,6 @@ using Random, StableRNGs
 using Colors: RGB, HSV
 using FixedPointNumbers: N0f8
 
-# Run Aqua.jl quality assurance tests
-Aqua.test_all(ColorQuantization; ambiguities=false)
-Aqua.test_ambiguities([ColorQuantization, Core])
-
 # Run package tests
 rng = StableRNG(123)
 Random.seed!(rng, 34568)
@@ -23,6 +19,10 @@ algs_deterministic = Dict(
 )
 
 @testset "ColorQuantization.jl" begin
+    @testset "Aqua.jl quality assurance tests" begin
+        Aqua.test_all(ColorQuantization; ambiguities=false)
+        Aqua.test_ambiguities([ColorQuantization, Core])
+    end
     # Reference tests on deterministic methods
     @testset "Reference tests" begin
         for (name, alg) in algs_deterministic