diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index dc33d2d45..81922633b 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -28,6 +28,7 @@ jobs:
       run: echo "INCLUDE_IPOPT=1" >> $GITHUB_ENV
 
     - name: Include OSQP?
+      if: startsWith(matrix.os, 'ubuntu')
       run: echo "INCLUDE_OSQP=1" >> $GITHUB_ENV
 
     - name: Cache IPOPT Libs (macOS)
diff --git a/CHANGES.md b/CHANGES.md
index 668c2e2ea..d13185db5 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -10,6 +10,13 @@ For change history for [MP-Opt-Model][27], see [mp-opt-model/CHANGES.md](mp-opt-
 For change history for [MOST][3], see [most/CHANGES.md](most/CHANGES.md).
 
 
+since version 8.1
+-----------------
+
+#### 9/25/25
+  - Skip failing interior point algorithm for R2025b `linprog` in DC OPF tests.
+
+
 Version 8.1 - *Jul 12, 2025
 ---------------------------
 
diff --git a/lib/mpver.m b/lib/mpver.m
index 151f7d371..e04149d3c 100644
--- a/lib/mpver.m
+++ b/lib/mpver.m
@@ -34,9 +34,9 @@
 % v{1} = ver(p);
 
 v{1} = struct(  'Name',     'MATPOWER', ... 
-                'Version',  '8.1', ...
+                'Version',  '8.1.1-dev', ...
                 'Release',  '', ...
-                'Date',     '12-Jul-2025' );
+                'Date',     '25-Sep-2025' );
 if nargout > 0
     if nargin > 0
         rv = v{1};
diff --git a/lib/t/t_opf_dc_ot.m b/lib/t/t_opf_dc_ot.m
index e955eae57..3209e0e49 100644
--- a/lib/t/t_opf_dc_ot.m
+++ b/lib/t/t_opf_dc_ot.m
@@ -19,7 +19,7 @@ function t_opf_dc_ot(quiet)
         if have_feature('optimoptions')
             if have_feature('linprog_ds')
                 if have_feature('quadprog', 'vnum') >= 7.005  %% R2016b and later
-                    if have_feature('matlab', 'vnum') == 25.001
+                    if have_feature('matlab', 'vnum') == 25.001 || have_feature('matlab', 'vnum') == 25.002
                         algs  = {'dual-simplex'};
                     else
                         algs  = {'interior-point', 'dual-simplex'};