diff --git a/Fortran/gfortran/regression/gomp/DisabledFiles.cmake b/Fortran/gfortran/regression/gomp/DisabledFiles.cmake
index 614fc1b..a940c25 100644
--- a/Fortran/gfortran/regression/gomp/DisabledFiles.cmake
+++ b/Fortran/gfortran/regression/gomp/DisabledFiles.cmake
@@ -83,6 +83,9 @@
   # unimplemented: non-rectangular canonical loop nests
   canonical-loop-1.f90
   pr85313.f90
+
+  # unimplemented: assumption clauses on the assumes directive
+  allocate-5.f90
 )
 
 file(GLOB SKIPPED_FILES CONFIGURE_DEPENDS
@@ -227,8 +230,6 @@
   assume-1.f90
   assume-3.f90
   assume-4.f90
-  atomic-25.f90
-  atomic.f90
   openmp-simd-8.f90
 
   # expected 'END ATOMIC'
@@ -447,10 +448,6 @@
   declare-variant-6.f90 # See https://github.com/llvm/llvm-test-suite/pull/447
 
   # These tests fail, but the cause of their failure needs to be investigated.
-  allocate-10.f90
-  allocate-13.f90
-  allocate-13a.f90
-  allocate-5.f90
   allocate-8.f90
   c_ptr_tests_20.f90
   declare-target-indirect-2.f90
diff --git a/Fortran/gfortran/regression/gomp/override.yaml b/Fortran/gfortran/regression/gomp/override.yaml
index 8e33f01..9adfdba 100644
--- a/Fortran/gfortran/regression/gomp/override.yaml
+++ b/Fortran/gfortran/regression/gomp/override.yaml
@@ -8,3 +8,16 @@
 
 "imperfect2.f90":
   xfail: false
+
+# These tests need specific versions of OpenMP beyond flang's default to pass:
+"allocate-1.f90":
+  compile_flags: ["-fopenmp-version=50"]
+
+"allocate-5.f90":
+  compile_flags: ["-fopenmp-version=51"]
+
+"atomic-25.f90":
+  compile_flags: ["-fopenmp-version=51"]
+
+"atomic.f90":
+  compile_flags: ["-fopenmp-version=50"]
diff --git a/Fortran/gfortran/regression/gomp/tests.cmake b/Fortran/gfortran/regression/gomp/tests.cmake
index 3c4ee5c..8f5e6d1 100644
--- a/Fortran/gfortran/regression/gomp/tests.cmake
+++ b/Fortran/gfortran/regression/gomp/tests.cmake
@@ -61,7 +61,7 @@
 compile;all-memory-2.f90;;;;
 compile;all-memory-3.f90;;;;
 compile;allocatable_components_1.f90;xfail;;;
-compile;allocate-1.f90;;;;
+compile;allocate-1.f90;;-fopenmp-version=50;;
 compile;allocate-10.f90;;;;
 compile;allocate-11.f90;xfail;;;
 compile;allocate-12.f90;xfail;;;
@@ -73,7 +73,7 @@
 compile;allocate-2.f90;xfail;;;
 compile;allocate-3.f90;xfail;;;
 compile;allocate-4.f90;xfail;;;
-compile;allocate-5.f90;;-fopenmp-allocators;;
+compile;allocate-5.f90;;-fopenmp-version=51;;
 compile;allocate-6.f90;xfail;;;
 compile;allocate-7.f90;xfail;;;
 compile;allocate-8.f90;;;;
@@ -111,11 +111,11 @@
 compile;atomic-21.f90;;;;
 compile;atomic-22.f90;xfail;;;
 compile;atomic-24.f90;xfail;;;
-compile;atomic-25.f90;;;;
+compile;atomic-25.f90;;-fopenmp-version=51;;
 compile;atomic-26.f90;xfail;;;
 compile;atomic-27.f90;xfail;;;
 compile;atomic-28.f90;xfail;;;
-compile;atomic.f90;;;;
+compile;atomic.f90;;-fopenmp-version=50;;
 compile;block-1.f90;xfail;;;
 compile;c_ptr_tests_20.f90;;;;
 compile;c_ptr_tests_21.f90;xfail;;;