diff --git a/Project.toml b/Project.toml
index 3bc0c2a..7d89e15 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "LogDensityProblems"
 uuid = "6fdf6af0-433a-55f7-b3ed-c6c6e0b8df7c"
 authors = ["Tamas K. Papp <tkpapp@gmail.com>"]
-version = "2.1.2"
+version = "2.2.0"
 
 [deps]
 ArgCheck = "dce04be8-c92d-5529-be00-80e4d2c0e197"
diff --git a/src/LogDensityProblems.jl b/src/LogDensityProblems.jl
index 2cea958..650fb44 100644
--- a/src/LogDensityProblems.jl
+++ b/src/LogDensityProblems.jl
@@ -16,6 +16,21 @@ using ArgCheck: @argcheck
 using DocStringExtensions: SIGNATURES, TYPEDEF
 using Random: AbstractRNG, default_rng
 
+# https://github.com/JuliaLang/julia/pull/50105
+@static if VERSION >= v"1.11.0-DEV.469"
+    eval(
+        Expr(
+            :public,
+            :capabilities,
+            :LogDensityOrder,
+            :dimension,
+            :logdensity,
+            :logdensity_and_gradient,
+            :logdensity_gradient_and_hessian,
+        )
+    )
+end
+
 ####
 #### interface for problems
 ####
diff --git a/test/runtests.jl b/test/runtests.jl
index 45875e8..bd04938 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -90,3 +90,18 @@ end
     @test 50 ≤ length(failures) ≤ 100
     @test all(x -> all(x .< 0), failures)
 end
+
+####
+#### public API
+####
+
+@testset "public API" begin
+    if isdefined(Base, :ispublic)
+        @test Base.ispublic(LogDensityProblems, :capabilities)
+        @test Base.ispublic(LogDensityProblems, :LogDensityOrder)
+        @test Base.ispublic(LogDensityProblems, :dimension)
+        @test Base.ispublic(LogDensityProblems, :logdensity)
+        @test Base.ispublic(LogDensityProblems, :logdensity_and_gradient)
+        @test Base.ispublic(LogDensityProblems, :logdensity_gradient_and_hessian)
+    end
+end