diff --git a/BioArchLinux/r-aer/PKGBUILD b/BioArchLinux/r-aer/PKGBUILD
index 802084c007..fd942e3024 100644
--- a/BioArchLinux/r-aer/PKGBUILD
+++ b/BioArchLinux/r-aer/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=3
 pkgdesc="Applied Econometrics with R"
 arch=(any)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r-car
   r-formula
diff --git a/BioArchLinux/r-alphahull/PKGBUILD b/BioArchLinux/r-alphahull/PKGBUILD
index 03dd36e49d..ef00d940ca 100644
--- a/BioArchLinux/r-alphahull/PKGBUILD
+++ b/BioArchLinux/r-alphahull/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=2
 pkgdesc="Generalization of the Convex Hull of a Sample of Points in the Plane"
 arch=(any)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r-ggplot2
   r-interp
diff --git a/BioArchLinux/r-backports/PKGBUILD b/BioArchLinux/r-backports/PKGBUILD
index 996262b9f2..5b55136294 100644
--- a/BioArchLinux/r-backports/PKGBUILD
+++ b/BioArchLinux/r-backports/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=10
 pkgdesc="Reimplementations of Functions Introduced Since R-3.0.0"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r
 )
diff --git a/BioArchLinux/r-bamlss/PKGBUILD b/BioArchLinux/r-bamlss/PKGBUILD
index 0e9b9fda20..44b2d8be2b 100644
--- a/BioArchLinux/r-bamlss/PKGBUILD
+++ b/BioArchLinux/r-bamlss/PKGBUILD
@@ -9,7 +9,7 @@ pkgrel=1
 pkgdesc="Bayesian Additive Models for Location, Scale, and Shape (and Beyond)"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   blas
   lapack
diff --git a/BioArchLinux/r-base64enc/PKGBUILD b/BioArchLinux/r-base64enc/PKGBUILD
index e0d7fba0df..ecdea1dbc6 100644
--- a/BioArchLinux/r-base64enc/PKGBUILD
+++ b/BioArchLinux/r-base64enc/PKGBUILD
@@ -12,7 +12,7 @@ pkgrel=11
 pkgdesc="Tools for base64 encoding"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r
 )
diff --git a/BioArchLinux/r-biocparallel/PKGBUILD b/BioArchLinux/r-biocparallel/PKGBUILD
index 16d3f236aa..562adab04e 100644
--- a/BioArchLinux/r-biocparallel/PKGBUILD
+++ b/BioArchLinux/r-biocparallel/PKGBUILD
@@ -12,7 +12,7 @@ pkgrel=2
 pkgdesc="Bioconductor facilities for parallel evaluation"
 arch=(x86_64)
 url="https://bioconductor.org/packages/$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r-futile.logger
   r-snow
diff --git a/BioArchLinux/r-bit/PKGBUILD b/BioArchLinux/r-bit/PKGBUILD
index 827f1a49d9..b2b0cb2500 100644
--- a/BioArchLinux/r-bit/PKGBUILD
+++ b/BioArchLinux/r-bit/PKGBUILD
@@ -12,7 +12,7 @@ pkgrel=3
 pkgdesc="Classes and Methods for Fast Memory-Efficient Boolean Selections"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r
 )
diff --git a/BioArchLinux/r-cairo/PKGBUILD b/BioArchLinux/r-cairo/PKGBUILD
index deac50a777..4511b6fe8c 100644
--- a/BioArchLinux/r-cairo/PKGBUILD
+++ b/BioArchLinux/r-cairo/PKGBUILD
@@ -9,7 +9,7 @@ pkgrel=2
 pkgdesc="R Graphics Device using Cairo Graphics Library for Creating High-Quality Bitmap (PNG, JPEG, TIFF), Vector (PDF, SVG, PostScript) and Display (X11 and Win32) Output"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   cairo
   freetype2
diff --git a/BioArchLinux/r-crch/PKGBUILD b/BioArchLinux/r-crch/PKGBUILD
index 5fb67de13f..a69633bb1c 100644
--- a/BioArchLinux/r-crch/PKGBUILD
+++ b/BioArchLinux/r-crch/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=2
 pkgdesc="Censored Regression with Conditional Heteroscedasticity"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r-formula
   r-ordinal
diff --git a/BioArchLinux/r-fansi/PKGBUILD b/BioArchLinux/r-fansi/PKGBUILD
index 16f892d2be..826774ceb1 100644
--- a/BioArchLinux/r-fansi/PKGBUILD
+++ b/BioArchLinux/r-fansi/PKGBUILD
@@ -13,7 +13,7 @@ pkgrel=1
 pkgdesc="ANSI Control Sequence Aware String Functions"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r
 )
diff --git a/BioArchLinux/r-fastica/PKGBUILD b/BioArchLinux/r-fastica/PKGBUILD
index e19e74a497..750fc4069e 100644
--- a/BioArchLinux/r-fastica/PKGBUILD
+++ b/BioArchLinux/r-fastica/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=2
 pkgdesc="FastICA Algorithms to Perform ICA and Projection Pursuit"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   blas
   lapack
diff --git a/BioArchLinux/r-formula/PKGBUILD b/BioArchLinux/r-formula/PKGBUILD
index 8c0fb75451..fdecb39387 100644
--- a/BioArchLinux/r-formula/PKGBUILD
+++ b/BioArchLinux/r-formula/PKGBUILD
@@ -9,7 +9,7 @@ pkgrel=3
 pkgdesc="Extended Model Formulas"
 arch=(any)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r
 )
diff --git a/BioArchLinux/r-glmx/PKGBUILD b/BioArchLinux/r-glmx/PKGBUILD
index 042e24993e..1496bccd4e 100644
--- a/BioArchLinux/r-glmx/PKGBUILD
+++ b/BioArchLinux/r-glmx/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=2
 pkgdesc="Generalized Linear Models Extended"
 arch=(any)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r-formula
   r-lmtest
diff --git a/BioArchLinux/r-memisc/PKGBUILD b/BioArchLinux/r-memisc/PKGBUILD
index 2a8600975c..cb7b60fa79 100644
--- a/BioArchLinux/r-memisc/PKGBUILD
+++ b/BioArchLinux/r-memisc/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=1
 pkgdesc="Management of Survey Data and Presentation of Analysis Results"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r-data.table
   r-jsonlite
diff --git a/BioArchLinux/r-nonnest2/PKGBUILD b/BioArchLinux/r-nonnest2/PKGBUILD
index 87d3464679..fd621217fe 100644
--- a/BioArchLinux/r-nonnest2/PKGBUILD
+++ b/BioArchLinux/r-nonnest2/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=3
 pkgdesc="Tests of Non-Nested Models"
 arch=(any)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r-compquadform
   r-lavaan
diff --git a/BioArchLinux/r-png/PKGBUILD b/BioArchLinux/r-png/PKGBUILD
index 55bdf95aef..3f71cb9056 100644
--- a/BioArchLinux/r-png/PKGBUILD
+++ b/BioArchLinux/r-png/PKGBUILD
@@ -12,7 +12,7 @@ pkgrel=4
 pkgdesc="Read and write PNG images"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   libpng
   r
diff --git a/BioArchLinux/r-rodbc/PKGBUILD b/BioArchLinux/r-rodbc/PKGBUILD
index 7bdaf92dac..5e44d53e17 100644
--- a/BioArchLinux/r-rodbc/PKGBUILD
+++ b/BioArchLinux/r-rodbc/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=1
 pkgdesc="ODBC Database Access"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r
   unixodbc
diff --git a/BioArchLinux/r-rstpm2/PKGBUILD b/BioArchLinux/r-rstpm2/PKGBUILD
index 0d408dd753..bbcd91f54b 100644
--- a/BioArchLinux/r-rstpm2/PKGBUILD
+++ b/BioArchLinux/r-rstpm2/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=1
 pkgdesc="Smooth Survival Models, Including Generalized Survival Models"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   blas
   lapack
diff --git a/BioArchLinux/r-rvisdiff/PKGBUILD b/BioArchLinux/r-rvisdiff/PKGBUILD
index 05eceb6bfe..573fc04841 100644
--- a/BioArchLinux/r-rvisdiff/PKGBUILD
+++ b/BioArchLinux/r-rvisdiff/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=2
 pkgdesc="Interactive Graphs for Differential Expression"
 arch=(any)
 url="https://bioconductor.org/packages/$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r-edger
 )
diff --git a/BioArchLinux/r-statmod/PKGBUILD b/BioArchLinux/r-statmod/PKGBUILD
index 5350869318..c74c29502b 100644
--- a/BioArchLinux/r-statmod/PKGBUILD
+++ b/BioArchLinux/r-statmod/PKGBUILD
@@ -9,7 +9,7 @@ pkgrel=3
 pkgdesc="Statistical Modeling"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r
 )
diff --git a/BioArchLinux/r-tiff/PKGBUILD b/BioArchLinux/r-tiff/PKGBUILD
index d9e1bf22d8..2aeb126f0c 100644
--- a/BioArchLinux/r-tiff/PKGBUILD
+++ b/BioArchLinux/r-tiff/PKGBUILD
@@ -9,7 +9,7 @@ pkgrel=1
 pkgdesc="Read and Write TIFF Images"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   libtiff
   r
diff --git a/BioArchLinux/r-unitizer/PKGBUILD b/BioArchLinux/r-unitizer/PKGBUILD
index ab3afb09a1..1df923c020 100644
--- a/BioArchLinux/r-unitizer/PKGBUILD
+++ b/BioArchLinux/r-unitizer/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=2
 pkgdesc="Interactive R Unit Tests"
 arch=(any)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r-crayon
   r-diffobj
diff --git a/BioArchLinux/r-zoo/PKGBUILD b/BioArchLinux/r-zoo/PKGBUILD
index 8a0b09ddbd..776486f395 100644
--- a/BioArchLinux/r-zoo/PKGBUILD
+++ b/BioArchLinux/r-zoo/PKGBUILD
@@ -13,7 +13,7 @@ pkgrel=3
 pkgdesc="S3 Infrastructure for Regular and Irregular Time Series (Z's Ordered Observations)"
 arch=(x86_64)
 url="https://cran.r-project.org/package=$_pkgname"
-license=(GPL)
+license=('GPL-2.0-only OR GPL-3.0-only')
 depends=(
   r
 )
diff --git a/lilac-extensions/lilac_r_utils.py b/lilac-extensions/lilac_r_utils.py
index 8c952878c9..e79081611b 100644
--- a/lilac-extensions/lilac_r_utils.py
+++ b/lilac-extensions/lilac_r_utils.py
@@ -206,7 +206,7 @@ license_map = {
     "GPL (>= 3.0)": "GPL3",
     "GPL (>=2)": "GPL-2.0-or-later",
     "GPL-2": "GPL2",
-    "GPL-2 | GPL-3": "GPL",
+    "GPL-2 | GPL-3": "GPL-2.0-only OR GPL-3.0-only",
     "GPL-3": "GPL3",
     "LGPL": "LGPL-2.0-or-later",
     "LGPL (>= 2)": "LGPL",