diff --git a/Project.toml b/Project.toml
index caed5721..e32d46b9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Thermodynamics"
 uuid = "b60c26fb-14c3-4610-9d3e-2d17fe7ff00c"
 authors = ["Climate Modeling Alliance"]
-version = "0.12.4"
+version = "0.12.5"
 
 [deps]
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
diff --git a/src/relations.jl b/src/relations.jl
index 2c726e7b..13ea98c2 100644
--- a/src/relations.jl
+++ b/src/relations.jl
@@ -1463,7 +1463,7 @@ end
     param_set::APS,
     ts::AbstractPhaseDry{FT},
 ) where {FT <: Real} = q_pt_0(FT)
-function PhasePartition(param_set::APS, ts::AbstractPhaseEquil)
+@inline function PhasePartition(param_set::APS, ts::AbstractPhaseEquil)
     T = air_temperature(param_set, ts)
     ρ = air_density(param_set, ts)
     q_tot = total_specific_humidity(param_set, ts)