diff --git a/easybuild/easyconfigs/l/libdivsufsort/libdivsufsort-2.0.1-foss-2018b.eb b/easybuild/easyconfigs/l/libdivsufsort/libdivsufsort-2.0.1-foss-2023a.eb
index 114f4c6225..2ad493ff64 100644
--- a/easybuild/easyconfigs/l/libdivsufsort/libdivsufsort-2.0.1-foss-2018b.eb
+++ b/easybuild/easyconfigs/l/libdivsufsort/libdivsufsort-2.0.1-foss-2023a.eb
@@ -1,6 +1,7 @@
 # Author: Iñaki Mtz de Ilarduya <[email protected]>
 # sciCORE - University of Basel
 # SIB Swiss Institute of Bioinformatics
+# Update: Petr Král (INUITS)
 
 easyblock = 'CMakeMake'
 
@@ -11,18 +12,22 @@ homepage = 'https://github.com/y-256/libdivsufsort'
 description = """libdivsufsort is a software library that implements a lightweight suffix
  array construction algorithm."""
 
-toolchain = {'name': 'foss', 'version': '2018b'}
+toolchain = {'name': 'foss', 'version': '2023a'}
 
 source_urls = ['https://github.com/y-256/libdivsufsort/archive/refs/tags/']
 sources = ['%(version)s.tar.gz']
 checksums = ['9164cb6044dcb6e430555721e3318d5a8f38871c2da9fd9256665746a69351e0']
 
 builddependencies = [
-    ('CMake', '3.12.1'),
+    ('CMake', '3.26.3'),
 ]
 
 unpack_options = '--strip-components=1'
 
+# For `divsufsort64.h` to be available.
+# See https://github.com/y-256/libdivsufsort/blob/2.0.1/include/CMakeLists.txt#L161
+configopts = '-DBUILD_DIVSUFSORT64=ON'
+
 sanity_check_paths = {
     'files': ['lib/libdivsufsort.%s' % SHLIB_EXT],
     'dirs': [],

diff --git a/easybuild/easyconfigs/s/sdsl-lite/sdsl-lite-2.0.3-GCCcore-12.2.0.eb b/easybuild/easyconfigs/s/sdsl-lite/sdsl-lite-2.1.1-foss-2023a.eb
index d4bda3a4a9..46cba5e14f 100644
--- a/easybuild/easyconfigs/s/sdsl-lite/sdsl-lite-2.0.3-GCCcore-12.2.0.eb
+++ b/easybuild/easyconfigs/s/sdsl-lite/sdsl-lite-2.1.1-foss-2023a.eb
@@ -1,8 +1,9 @@
 # This easyconfig was created by the BEAR Software team at the University of Birmingham.
+# Update: Petr Král (INUITS)
 easyblock = "CMakeMake"
 
 name = 'sdsl-lite'
-version = '2.0.3'
+version = '2.1.1'
 
 homepage = "https://github.com/simongog/sdsl-lite"
 description = """The Succinct Data Structure Library (SDSL) is a powerful and flexible C++11 library implementing
@@ -12,19 +13,27 @@ description = """The Succinct Data Structure Library (SDSL) is a powerful and fl
  complexity of an operation performed on the classical data structure and the equivalent succinct data structure
  are (most of the time) identical."""
 
-toolchain = {'name': 'GCCcore', 'version': '12.2.0'}
+toolchain = {'name': 'foss', 'version': '2023a'}
 
 source_urls = ['https://github.com/simongog/%(name)s/archive/']
 sources = ['v%(version)s.tar.gz']
-checksums = ['08ece40ce44041906bfa425af81a20a8071d187285f674debd8816c2e3113c2f']
+checksums = ['e36591338c390184760dbdddbb653d972d9c1986c8819f462e7e73ddd28b992b']
 
 builddependencies = [
-    ('CMake', '3.24.3'),
-    ('binutils', '2.39'),
+    ('CMake', '3.26.3'),
+    ('binutils', '2.40'),
+    ('googletest', '1.13.0'),
 ]
 
+dependencies = [
+    ('libdivsufsort', '2.0.1'),
+]
+
+# Use our `googletest` and `libdivsufsort`.
+preconfigopts = "sed -i '/external/d' %(builddir)s/%(name)s-%(version)s/CMakeLists.txt && "
+
 sanity_check_paths = {
-    'files': ['lib/libdivsufsort64.a', 'lib/libdivsufsort.a', 'lib/libsdsl.a', 'include/divsufsort64.h'],
+    'files': ['lib/libsdsl.a'],
     'dirs': ['include/sdsl'],
 }