diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 54a31474..6a56d5f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,7 +43,8 @@ jobs:
         version:
           # Don't use 'min' version, which will ignore hotfixes, i.e. 1.10.0 will be used instead of e.g. 1.10.8.
           - '1.10'
-          - '1.11'   # the latest stable 1.x release
+          - '1.11'   
+          - '1.12' # the latest stable 1.x release
         os:
           - ubuntu-latest
           - windows-latest
diff --git a/Project.toml b/Project.toml
index 19d90518..d4654124 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "PointNeighbors"
 uuid = "1c4d5385-0a27-49de-8e2c-43b175c8985c"
 authors = ["Erik Faulhaber <erik.faulhaber@uni-koeln.de>"]
-version = "0.6.5"
+version = "0.6.6-dev"
 
 [deps]
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
diff --git a/benchmarks/smoothed_particle_hydrodynamics.jl b/benchmarks/smoothed_particle_hydrodynamics.jl
index 2afe34a5..7286baca 100644
--- a/benchmarks/smoothed_particle_hydrodynamics.jl
+++ b/benchmarks/smoothed_particle_hydrodynamics.jl
@@ -21,6 +21,18 @@ end
     return semi.neighborhood_search
 end
 
+# Newer TrixiParticles versions define TLSPH-specific neighborhood-search lookups.
+@inline function TrixiParticles.get_neighborhood_search(::TotalLagrangianSPHSystem,
+                                                        semi::DummySemidiscretization)
+    return semi.neighborhood_search
+end
+
+@inline function TrixiParticles.get_neighborhood_search(::TotalLagrangianSPHSystem,
+                                                        ::TotalLagrangianSPHSystem,
+                                                        semi::DummySemidiscretization)
+    return semi.neighborhood_search
+end
+
 """
     benchmark_wcsph(neighborhood_search, coordinates;
                     parallelization_backend = default_backend(coordinates))