diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 03ac4a2a..ad798822 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -16,17 +16,6 @@ steps:
     if: build.message !~ /\[skip tests\]/
     timeout_in_minutes: 60
 
-  - label: "🐫 Julia 1.8"
-    plugins:
-      - JuliaCI/julia#v1:
-          version: 1.8
-      - JuliaCI/julia-test#v1: ~
-    agents:
-      queue: "juliagpu"
-      cuda: "*"
-    if: build.message !~ /\[skip tests\]/
-    timeout_in_minutes: 60
-
   - label: "🥑 Julia 1.9"
     plugins:
       - JuliaCI/julia#v1:
diff --git a/Project.toml b/Project.toml
index 299915a3..7175f83d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -2,7 +2,7 @@ name = "GeophysicalFlows"
 uuid = "44ee3b1c-bc02-53fa-8355-8e347616e15e"
 license = "MIT"
 authors = ["Navid C. Constantinou <navidcy@gmail.com>", "Gregory L. Wagner <wagner.greg@gmail.com>", "and co-contributors"]
-version = "0.15.3"
+version = "0.15.4"
 
 [deps]
 CUDA = "052768ef-5323-5732-b1bb-66c8b64840ba"
@@ -18,10 +18,10 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
-CUDA = "1, 2.4.2, 3.0.0 - 3.6.4, 3.7.1, 4"
+CUDA = "1, 2.4.2, 3.0.0 - 3.6.4, 3.7.1, 4, 5"
 DocStringExtensions = "0.8, 0.9"
 FFTW = "1"
-FourierFlows = "0.10.3"
+FourierFlows = "0.10.5"
 JLD2 = "0.1, 0.2, 0.3, 0.4"
 LinearAlgebra = "1.6"
 Random = "1.6"
diff --git a/appveyor.yml b/appveyor.yml
index fd254b0b..4c49f257 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,7 +1,6 @@
 environment:
   matrix:
   - julia_version: 1.6
-  - julia_version: 1.8
   - julia_version: 1.9
   - julia_version: nightly