diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index b0339fb..d0b957a 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -70,7 +70,7 @@ jobs:
         docker exec -t test bundle update
         docker exec -t test bundle exec rake
         docker kill test
-  test_380x:
+  test_390x:
     runs-on: ubuntu-22.04
     steps:
     - name: Check out repository
@@ -79,14 +79,14 @@ jobs:
       run: |
         echo $(pwd)
         echo $(ls)
-        docker pull nrel/openstudio:3.8.0
-        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.8.0
+        docker pull nrel/openstudio:3.9.0
+        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.9.0
         docker exec -t test pwd
         docker exec -t test ls
         docker exec -t test bundle update
         docker exec -t test bundle exec rake
         docker kill test
-  test_390x:
+  test_310x:
     runs-on: ubuntu-22.04
     steps:
     - name: Check out repository
@@ -95,14 +95,14 @@ jobs:
       run: |
         echo $(pwd)
         echo $(ls)
-        docker pull nrel/openstudio:3.9.0
-        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.9.0
+        docker pull nrel/openstudio:3.10.0
+        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.10.0
         docker exec -t test pwd
         docker exec -t test ls
         docker exec -t test bundle update
         docker exec -t test bundle exec rake
         docker kill test
-  test_3100x:
+  test_311x:
     runs-on: ubuntu-22.04
     steps:
     - name: Check out repository
@@ -111,8 +111,8 @@ jobs:
       run: |
         echo $(pwd)
         echo $(ls)
-        docker pull nrel/openstudio:3.10.0
-        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.10.0
+        docker pull nrel/openstudio:3.11.0
+        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.11.0
         docker exec -t test pwd
         docker exec -t test ls
         docker exec -t test bundle update
diff --git a/lib/measures/tbd/measure.xml b/lib/measures/tbd/measure.xml
index 032a0f9..c24d529 100644
--- a/lib/measures/tbd/measure.xml
+++ b/lib/measures/tbd/measure.xml
@@ -3,8 +3,8 @@
   <schema_version>3.1</schema_version>
   <name>tbd_measure</name>
   <uid>8890787b-8c25-4dc8-8641-b6be1b6c2357</uid>
-  <version_id>8649cb7e-2e58-4a6d-ba67-911b6e0a41a6</version_id>
-  <version_modified>2026-01-04T12:08:45Z</version_modified>
+  <version_id>833dbf17-e51f-43c7-9c8b-a79ef0e6bd3b</version_id>
+  <version_modified>2026-02-03T13:53:54Z</version_modified>
   <xml_checksum>99772807</xml_checksum>
   <class_name>TBDMeasure</class_name>
   <display_name>Thermal Bridging and Derating - TBD</display_name>
@@ -541,13 +541,13 @@
       <filename>ua.rb</filename>
       <filetype>rb</filetype>
       <usage_type>resource</usage_type>
-      <checksum>69C2A886</checksum>
+      <checksum>D3A2A391</checksum>
     </file>
     <file>
       <filename>utils.rb</filename>
       <filetype>rb</filetype>
       <usage_type>resource</usage_type>
-      <checksum>BDF50D67</checksum>
+      <checksum>118F3A32</checksum>
     </file>
     <file>
       <filename>version.rb</filename>
diff --git a/lib/measures/tbd/resources/ua.rb b/lib/measures/tbd/resources/ua.rb
index 6390968..c4caad3 100644
--- a/lib/measures/tbd/resources/ua.rb
+++ b/lib/measures/tbd/resources/ua.rb
@@ -1000,7 +1000,7 @@ def ua_md(ua = {}, lang = :en)
       model  = "* modèle : #{ua[:file]}"    if ua.key?(:file)  && lang == :fr
       model += " (v#{ua[:version]})"        if ua.key?(:version)
       report << model                   unless model.empty?
-      report << "* TBD : v3.5.1"
+      report << "* TBD : v3.5.2"
       report << "* date : #{ua[:date]}"
 
       if lang == :en
diff --git a/lib/measures/tbd/resources/utils.rb b/lib/measures/tbd/resources/utils.rb
index 09bb951..2e96f59 100644
--- a/lib/measures/tbd/resources/utils.rb
+++ b/lib/measures/tbd/resources/utils.rb
@@ -4825,7 +4825,7 @@ def spaceWidth(space = nil)
       end
     end
 
-    res = realignedFace(polyg.to_a.reverse)
+    res = realignedFace(polyg.to_a.reverse, true)
     return 0 if res[:box].nil?
 
     # A bounded box's 'height', at its narrowest, is its 'width'.
@@ -4904,7 +4904,7 @@ def genAnchors(s = nil, set = [], tag = :box)
       # to 'genAnchors'), it inherits key :out - a Hash holding (among others) a
       # 'realigned' set of points (by default a 'realigned' :box). The latter is
       # typically generated from an outdoor-facing roof (e.g. when called from
-      # 'lights'). Subsequent calls to 'genAnchors' may send (as first
+      # 'addSkylights'). Subsequent calls to 'genAnchors' may send (as first
       # argument) a corresponding ceiling tile below (also from 'addSkylights').
       # Roof vs ceiling may neither share alignment transformation nor space
       # site transformation identities. All subsequent calls to 'genAnchors'
diff --git a/lib/tbd/ua.rb b/lib/tbd/ua.rb
index 6390968..c4caad3 100644
--- a/lib/tbd/ua.rb
+++ b/lib/tbd/ua.rb
@@ -1000,7 +1000,7 @@ def ua_md(ua = {}, lang = :en)
       model  = "* modèle : #{ua[:file]}"    if ua.key?(:file)  && lang == :fr
       model += " (v#{ua[:version]})"        if ua.key?(:version)
       report << model                   unless model.empty?
-      report << "* TBD : v3.5.1"
+      report << "* TBD : v3.5.2"
       report << "* date : #{ua[:date]}"
 
       if lang == :en
diff --git a/lib/tbd/version.rb b/lib/tbd/version.rb
index 9e36e35..cd125f1 100644
--- a/lib/tbd/version.rb
+++ b/lib/tbd/version.rb
@@ -21,5 +21,5 @@
 # SOFTWARE.
 
 module TBD
-  VERSION = "3.5.1".freeze
+  VERSION = "3.5.2".freeze
 end
diff --git a/tbd.gemspec b/tbd.gemspec
index 65cd3b1..14956fb 100644
--- a/tbd.gemspec
+++ b/tbd.gemspec
@@ -29,7 +29,7 @@ Gem::Specification.new do |s|
   s.metadata                 = {}
 
   s.add_dependency             "topolys",     "~> 0"
-  s.add_dependency             "osut",        "~> 0.8.1"
+  s.add_dependency             "osut",        "~> 0"
   s.add_dependency             "json-schema", "~> 4"
 
   s.add_development_dependency "bundler",     "~> 2.1"