diff --git a/easybuild/easyblocks/p/petsc.py b/easybuild/easyblocks/p/petsc.py
index 0e42a3b60ff..00af8bf5323 100644
--- a/easybuild/easyblocks/p/petsc.py
+++ b/easybuild/easyblocks/p/petsc.py
@@ -37,7 +37,7 @@
 from easybuild.framework.easyconfig import BUILD, CUSTOM
 from easybuild.tools.build_log import EasyBuildError
 from easybuild.tools.filetools import symlink, apply_regex_substitutions
-from easybuild.tools.modules import get_software_root
+from easybuild.tools.modules import get_software_root, get_software_version
 from easybuild.tools.run import run_cmd
 from easybuild.tools.systemtools import get_shared_lib_ext
 from easybuild.tools.py2vs3 import string_type
@@ -210,6 +210,10 @@ def configure_step(self):
             # filter out deps handled seperately
             sep_deps = ['BLACS', 'BLAS', 'CMake', 'FFTW', 'LAPACK', 'numpy',
                         'mpi4py', 'papi', 'ScaLAPACK', 'SciPy-bundle', 'SuiteSparse']
+            # SCOTCH has to be treated separately since they add weird postfixes
+            # to library names from SCOTCH 7.0.1 or PETSc version 3.17.
+            if (LooseVersion(self.version) >= LooseVersion("3.17")):
+                sep_deps.append('SCOTCH')
             depfilter = [d['name'] for d in self.cfg.builddependencies()] + sep_deps
 
             deps = [dep['name'] for dep in self.cfg.dependencies() if not dep['name'] in depfilter]
@@ -224,6 +228,24 @@ def configure_step(self):
                         withdep = "--with-%s" % dep[1].lower()
                     self.cfg.update('configopts', '%s=1 %s-dir=%s' % (withdep, withdep, deproot))
 
+            # SCOTCH has to be treated separately since they add weird postfixes
+            # to library names from SCOTCH 7.0.1 or PETSc version 3.17.
+            scotch = get_software_root('SCOTCH')
+            scotch_ver = get_software_version('SCOTCH')
+            if (scotch and LooseVersion(scotch_ver) >= LooseVersion("7.0")):
+                withdep = "--with-ptscotch"
+                scotch_inc = [os.path.join(scotch, "include")]
+                inc_spec = "-include=[%s]" % ','.join(scotch_inc)
+
+                # For some reason there is a v3 suffix added to libptscotchparmetis
+                # which is the reason for this new code.
+                req_scotch_libs = ['libesmumps.a', 'libptesmumps.a', 'libptscotch.a',
+                                   'libptscotcherr.a', 'libptscotchparmetisv3.a', 'libscotch.a',
+                                   'libscotcherr.a']
+                scotch_libs = [os.path.join(scotch, "lib", x) for x in req_scotch_libs]
+                lib_spec = "-lib=[%s]" % ','.join(scotch_libs)
+                self.cfg.update('configopts', ' '.join([withdep + spec for spec in ['=1', inc_spec, lib_spec]]))
+
             # SuiteSparse options changed in PETSc 3.5,
             suitesparse = get_software_root('SuiteSparse')
             if suitesparse:
@@ -231,13 +253,19 @@ def configure_step(self):
                     withdep = "--with-suitesparse"
                     # specified order of libs matters!
                     ss_libs = ["UMFPACK", "KLU", "CHOLMOD", "BTF", "CCOLAMD", "COLAMD", "CAMD", "AMD"]
+                    # More libraries added after version 3.17
+                    if LooseVersion(self.version) >= LooseVersion("3.17"):
+                        # specified order of libs matters!
+                        ss_libs = ["UMFPACK", "KLU", "SPQR", "CHOLMOD", "BTF", "CCOLAMD",
+                                   "COLAMD", "CSparse", "CXSparse", "LDL", "RBio",
+                                   "SLIP_LU", "CAMD", "AMD"]
 
                     suitesparse_inc = [os.path.join(suitesparse, x, "Include")
                                        for x in ss_libs]
                     suitesparse_inc.append(os.path.join(suitesparse, "SuiteSparse_config"))
                     inc_spec = "-include=[%s]" % ','.join(suitesparse_inc)
 
-                    suitesparse_libs = [os.path.join(suitesparse, x, "Lib", "lib%s.a" % x.lower())
+                    suitesparse_libs = [os.path.join(suitesparse, x, "Lib", "lib%s.a" % x.replace("_", "").lower())
                                         for x in ss_libs]
                     suitesparse_libs.append(os.path.join(suitesparse, "SuiteSparse_config", "libsuitesparseconfig.a"))
                     lib_spec = "-lib=[%s]" % ','.join(suitesparse_libs)