diff --git a/src/ExponentialFamilyManifolds.jl b/src/ExponentialFamilyManifolds.jl
index 2a82cad..5a38fa0 100644
--- a/src/ExponentialFamilyManifolds.jl
+++ b/src/ExponentialFamilyManifolds.jl
@@ -16,6 +16,7 @@ include("natural_manifolds/categorical.jl")
 include("natural_manifolds/dirichlet.jl")
 include("natural_manifolds/exponential.jl")
 include("natural_manifolds/gamma.jl")
+include("natural_manifolds/inverse_gamma.jl")
 include("natural_manifolds/geometric.jl")
 include("natural_manifolds/laplace.jl")
 include("natural_manifolds/lognormal.jl")
diff --git a/src/natural_manifolds/inverse_gamma.jl b/src/natural_manifolds/inverse_gamma.jl
new file mode 100644
index 0000000..67969c0
--- /dev/null
+++ b/src/natural_manifolds/inverse_gamma.jl
@@ -0,0 +1,19 @@
+"""
+    get_natural_manifold_base(::Type{ExponentialFamily.GammaInverse}, ::Tuple{}, conditioner=nothing)
+
+Get the natural manifold base for the `ExponentialFamily.GammaInverse` distribution.
+"""
+function get_natural_manifold_base(::Type{ExponentialFamily.GammaInverse}, ::Tuple{}, conditioner=nothing)
+    return ProductManifold(
+        ShiftedNegativeNumbers(static(-1)), ShiftedNegativeNumbers(static(0))
+    )
+end
+
+"""
+    partition_point(::Type{ExponentialFamily.GammaInverse}, ::Tuple{}, p, conditioner=nothing)
+
+Converts the `point` to a compatible representation for the natural manifold of type `ExponentialFamily.GammaInverse`.
+"""
+function partition_point(::Type{ExponentialFamily.GammaInverse}, ::Tuple{}, p, conditioner=nothing)
+    return ArrayPartition(view(p, 1:1), view(p, 2:2))
+end
\ No newline at end of file
diff --git a/test/natural_manifolds/gamma_inverse_tests.jl b/test/natural_manifolds/gamma_inverse_tests.jl
new file mode 100644
index 0000000..37c86b1
--- /dev/null
+++ b/test/natural_manifolds/gamma_inverse_tests.jl
@@ -0,0 +1,7 @@
+@testitem "Check `GammaInverse` natural manifold" begin
+    include("natural_manifolds_setuptests.jl")
+
+    test_natural_manifold() do rng
+        return ExponentialFamily.InverseGamma(10rand(rng), 10rand(rng))
+    end
+end
\ No newline at end of file