diff --git a/Project.toml b/Project.toml
index 14abbc3..c88b5a3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -27,7 +27,7 @@ Zarr = "0a941bbe-ad1d-11e8-39d9-ab76183a1d99"
 Dagger = "0.18"
 Graphs = "1"
 Interpolations = "0.14, 0.15"
-DiskArrays = "0.3, 0.4"
+DiskArrays = "0.3, 0.4.10"
 Ipopt = "1"
 OffsetArrays = "1"
 OnlineStats = "1"
diff --git a/devscripts/interptest.jl b/devscripts/interptest.jl
index 743217f..ec92075 100644
--- a/devscripts/interptest.jl
+++ b/devscripts/interptest.jl
@@ -1,5 +1,5 @@
 using DiskArrayEngine
-using DiskArrays: ChunkType, RegularChunks
+using DiskArrays: ChunkVector, RegularChunks
 using Statistics
 using Interpolations
 using Zarr, DiskArrays, OffsetArrays
diff --git a/devscripts/maintest.jl b/devscripts/maintest.jl
index 0dccdae..63e055e 100644
--- a/devscripts/maintest.jl
+++ b/devscripts/maintest.jl
@@ -1,6 +1,6 @@
 using DiskArrayEngine
 const DAE = DiskArrayEngine
-using DiskArrays: ChunkType, RegularChunks
+using DiskArrays: ChunkVector, RegularChunks
 using Statistics
 using Zarr, DiskArrays
 using StatsBase: rle, mode
diff --git a/src/executionplan.jl b/src/executionplan.jl
index 33c6225..4e868a4 100644
--- a/src/executionplan.jl
+++ b/src/executionplan.jl
@@ -3,7 +3,7 @@ import OptimizationMOI, OptimizationOptimJL
 using DiskArrays: DiskArrays, eachchunk, arraysize_from_chunksize
 using Statistics: mean
 using StatsBase: mode
-struct UndefinedChunks <: DiskArrays.ChunkType
+struct UndefinedChunks <: DiskArrays.ChunkVector
   s::Int
 end
 Base.size(c::UndefinedChunks) = (1,)
@@ -335,7 +335,7 @@ function find_adjust_candidates(optires,smax,intsizes;reltol_low=0.2,reltol_high
   return floor(Int,optires)//1
 end
 
-function generate_LoopRange(r_adj::Rational,apparent_chunks::ChunkType;tres=3)
+function generate_LoopRange(r_adj::Rational,apparent_chunks::ChunkVector;tres=3)
   splitsize = ceil(Int,r_adj)
   all_ends = last.(apparent_chunks)
   firstend = findlast(<=(splitsize),all_ends)
diff --git a/src/mwops.jl b/src/mwops.jl
index ed89880..4c21de3 100644
--- a/src/mwops.jl
+++ b/src/mwops.jl
@@ -1,9 +1,9 @@
-using DiskArrays: DiskArrays, ChunkType, GridChunks, AbstractDiskArray
+using DiskArrays: DiskArrays, ChunkVector, GridChunks, AbstractDiskArray
 using Zarr
 export InputArray, create_outwindows, GMDWop, create_outars
 
 internal_size(p) = last(last(p))-first(first(p))+1
-function steps_per_chunk(p,cs::ChunkType)
+function steps_per_chunk(p,cs::ChunkVector)
     centers = map(x->(first(x)+last(x))/2,p)
     slen = sum(cs) do r
         i1 = searchsortedfirst(centers,first(r))
@@ -76,9 +76,9 @@ end
 
 mysub(ia,t) = map(li->t[li],getloopinds(ia))
 
-"Returns the full domain that a `DiskArrays.ChunkType` object covers as a unit range"
+"Returns the full domain that a `DiskArrays.ChunkVector` object covers as a unit range"
 domain_from_chunktype(ct) = first(first(ct)):last(last(ct))
-"Returns the length of a dimension covered by a `DiskArrays.ChunkType` object"
+"Returns the length of a dimension covered by a `DiskArrays.ChunkVector` object"
 length_from_chunktype(ct) = length(domain_from_chunktype(ct))
 
 
diff --git a/src/restart.jl b/src/restart.jl
index b025dbd..cbd957a 100644
--- a/src/restart.jl
+++ b/src/restart.jl
@@ -60,9 +60,9 @@ function putitem(f::IO, lr::ProductArray)
 end
 function putitem(f::IO, g::DiskArrays.RegularChunks)
     write(f, K_RegularChunks)
-    write(f, g.cs)
+    write(f, g.chunksize)
     write(f, g.offset)
-    write(f, g.s)
+    write(f, g.arraysize)
 end
 function putitem(f::IO, g::DiskArrays.IrregularChunks)
     write(f, K_IrregularChunks)