diff --git a/Project.toml b/Project.toml
index 3af3b67..00bf323 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "ITensorNetworksNext"
 uuid = "302f2e75-49f0-4526-aef7-d8ba550cb06c"
-version = "0.9.8"
+version = "0.9.9"
 authors = ["ITensor developers <support@itensor.org> and contributors"]
 
 [workspace]
@@ -36,7 +36,7 @@ Combinatorics = "1"
 DataGraphs = "0.5"
 Dictionaries = "0.4.5"
 Graphs = "1.13.1"
-ITensorBase = "0.10, 0.11, 0.12"
+ITensorBase = "0.13"
 LinearAlgebra = "1.10"
 MacroTools = "0.5.16"
 MatrixAlgebraKit = "0.6"
diff --git a/src/ITensorNetworkGenerators/ising_network.jl b/src/ITensorNetworkGenerators/ising_network.jl
index 803adff..65f054b 100644
--- a/src/ITensorNetworkGenerators/ising_network.jl
+++ b/src/ITensorNetworkGenerators/ising_network.jl
@@ -1,6 +1,6 @@
 using ..ITensorNetworksNext
 using Graphs: degree, dst, edges, src
-using ITensorBase: apply, name, operator, uniquename
+using ITensorBase: name, nameddims, uniquename
 using LinearAlgebra: Diagonal, eigen
 using NamedGraphs.GraphsExtensions: vertextype
 
@@ -43,9 +43,11 @@ function ising_network(
 
         deg2 = degree(tn, v2)
         m = sqrt_ising_bond(β; J, h, deg1, deg2)
-        t = operator(m, (name(fp(e)),), (name(f(e)),))
-        tn[v1] = apply(t, tn[v1])
-        tn[v2] = apply(t, tn[v2])
+        # Split the Ising bond as √b on each endpoint, contracting the delta-network bond
+        # name `fp(e)` and renaming the shared bond to the requested name `f(e)`.
+        b = nameddims(m, (name(fp(e)), name(f(e))))
+        tn[v1] = b * tn[v1]
+        tn[v2] = b * tn[v2]
     end
     return tn
 end
diff --git a/src/apply/apply_operators.jl b/src/apply/apply_operators.jl
index 74836b8..a885ca9 100644
--- a/src/apply/apply_operators.jl
+++ b/src/apply/apply_operators.jl
@@ -3,7 +3,7 @@ using AlgorithmsInterface: AlgorithmsInterface as AI
 using Base: @kwdef
 using Graphs: dst, src, vertices
 using ITensorBase:
-    ITensorBase as ITB, AbstractITensor, dimnames, domainnames, operator, replacedimnames
+    ITensorBase as ITB, AbstractITensor, dimnames, inputnames, operator, replacedimnames
 using LinearAlgebra: norm
 using MatrixAlgebraKit: qr_compact, svd_trunc
 using NamedGraphs.GraphsExtensions: all_edges, boundary_edges
@@ -209,7 +209,7 @@ function apply_gate_bp!(
         dest::AbstractITensorNetwork, op::AbstractITensor,
         state::AbstractITensorNetwork, env; kwargs...
     )
-    op_in = domainnames(op)
+    op_in = inputnames(op)
     vs = [v for v in vertices(state) if !isempty(intersect(op_in, sitenames(state, v)))]
     isempty(vs) && throw(
         ArgumentError("operator shares no indices with the tensor network")
diff --git a/test/Project.toml b/test/Project.toml
index ca405a2..0711602 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -31,7 +31,7 @@ DataGraphs = "0.5"
 Dictionaries = "0.4.5"
 GradedArrays = "0.13.2"
 Graphs = "1.13.1"
-ITensorBase = "0.10, 0.11, 0.12"
+ITensorBase = "0.13"
 ITensorNetworksNext = "0.9"
 ITensorPkgSkeleton = "0.3.42"
 MatrixAlgebraKit = "0.6"