diff --git a/scripts/build/sources/hen.jl b/scripts/build/sources/hen.jl
index 8bbb31c..59fe525 100644
--- a/scripts/build/sources/hen.jl
+++ b/scripts/build/sources/hen.jl
@@ -1,6 +1,6 @@
 const HEN_DATA = Dict(
     "arXiv-1903-10928-3r3x" => Dict(
-        :url  => "https://github.com/JuliaQUBO/QUBOLib.jl/releases/download/mirror/arXiv-1903-10928-3r3x.zip",
+        :url  => "https://github.com/JuliaQUBO/QUBOLib.jl/releases/download/data-mirror/arXiv-1903-10928-3r3x.zip",
         :data => Dict{String,Any}(
             "name"        => "3-Regular 3-XORSAT (arXiv:1903.10928)",
             "author"      => ["Itay Hen"],
@@ -10,7 +10,7 @@ const HEN_DATA = Dict(
         ),
     ),
     "arXiv-1903-10928-5r5x" => Dict(
-        :url  => "https://github.com/JuliaQUBO/QUBOLib.jl/releases/download/mirror/arXiv-1903-10928-5r5x.zip",
+        :url  => "https://github.com/JuliaQUBO/QUBOLib.jl/releases/download/data-mirror/arXiv-1903-10928-5r5x.zip",
         :data => Dict{String,Any}(
             "name"        => "5-Regular 5-XORSAT (arXiv:1903.10928)",
             "author"      => ["Itay Hen"],
@@ -20,7 +20,7 @@ const HEN_DATA = Dict(
         ),
     ),
     "arXiv-2103-08464-3r3x" => Dict(
-        :url  => "https://github.com/JuliaQUBO/QUBOLib.jl/releases/download/mirror/arXiv-2103-08464-3r3x.zip",
+        :url  => "https://github.com/JuliaQUBO/QUBOLib.jl/releases/download/data-mirror/arXiv-2103-08464-3r3x.zip",
         :data => Dict{String,Any}(
             "name"        => "3-Regular 3-XORSAT (arXiv:2103.08464)",
             "author"      => ["Matthew Kowalsky", "Tameem Albash", "Itay Hen", "Daniel A. Lidar"],
diff --git a/scripts/build/sources/qplib.jl b/scripts/build/sources/qplib.jl
index c909a38..b1e02c7 100644
--- a/scripts/build/sources/qplib.jl
+++ b/scripts/build/sources/qplib.jl
@@ -233,7 +233,7 @@ function _get_qplib_var_map(path::AbstractString, n::Integer = 1)
     return Dict{Int,Int}(v => i for (i, v) in enumerate(sort!(collect(var_set))))
 end
 
-const QPLIB_URL = "http://qplib.zib.de/qplib.zip"
+const QPLIB_URL = "https://github.com/JuliaQUBO/QUBOLib.jl/releases/download/data-mirror/qplib.zip"
 
 function build_qplib!(index::QUBOLib.LibraryIndex; cache::Bool = true)
     if QUBOLib.has_collection(index, "qplib")