diff --git a/easybuild/easyconfigs/g/GSL/GSL-2.5-GCCcore-8.3.0.eb b/easybuild/easyconfigs/g/GSL/GSL-2.5-GCCcore-8.3.0.eb
new file mode 100755
index 000000000000..06ef71713050
--- /dev/null
+++ b/easybuild/easyconfigs/g/GSL/GSL-2.5-GCCcore-8.3.0.eb
@@ -0,0 +1,25 @@
+easyblock = 'ConfigureMake'
+
+name = 'GSL'
+version = '2.5'
+
+homepage = 'https://www.gnu.org/software/gsl/'
+description = """The GNU Scientific Library (GSL) is a numerical library for C and C++ programmers.
+ The library provides a wide range of mathematical routines such as random number generators, special functions
+ and least-squares fitting."""
+
+toolchain = {'name': 'GCCcore', 'version': '8.3.0'}
+toolchainopts = {'unroll': True, 'pic': True}
+
+source_urls = [GNU_SOURCE]
+sources = [SOURCELOWER_TAR_GZ]
+checksums = ['0460ad7c2542caaddc6729762952d345374784100223995eb14d614861f2258d']
+
+sanity_check_paths = {
+    'files': ['bin/%s' % x for x in ['gsl-config', 'gsl-histogram', 'gsl-randist']] +
+             ['include/gsl/gsl_types.h'] +
+             ['lib/lib%s.%s' % (x, SHLIB_EXT) for x in ['gsl', 'gslcblas']],
+    'dirs': [],
+}
+
+moduleclass = 'numlib'